Home / 164,911.73-227,578.63-89,460.23

Finding the Fourth Proportional to 164,911.73, 227,578.63 and 89,460.23

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Solution

The fourth proportional to 164,911.73, 227,578.63 and 89,460.23 is: 123,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,911.73 : 227,578.63 = 89,460.23 : x
  2. Step 2: Convert to fraction form
    164,911.73/227,578.63 = 89,460.23/x
  3. Step 3: Cross multiply
    164,911.73x = 227,578.63 × 89,460.23
  4. Step 4: Simplify right side
    164,911.73x = 20,359,236,582.88
  5. Step 5: Solve for x
    x = 20,359,236,582.88/164,911.73
  6. Step 6: Final answer
    x = 123,455.36

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Double scale
Find fourth proportional to 164,912.73, 227,580.01 and 89,461.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.