Home / 164,681.73-227,260.95-89,230.23

Finding the Fourth Proportional to 164,681.73, 227,260.95 and 89,230.23

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Solution

The fourth proportional to 164,681.73, 227,260.95 and 89,230.23 is: 123,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,681.73 : 227,260.95 = 89,230.23 : x
  2. Step 2: Convert to fraction form
    164,681.73/227,260.95 = 89,230.23/x
  3. Step 3: Cross multiply
    164,681.73x = 227,260.95 × 89,230.23
  4. Step 4: Simplify right side
    164,681.73x = 20,278,546,838.52
  5. Step 5: Solve for x
    x = 20,278,546,838.52/164,681.73
  6. Step 6: Final answer
    x = 123,137.81

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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.