Home / 164,911.95-227,578.92-89,460.45

Finding the Fourth Proportional to 164,911.95, 227,578.92 and 89,460.45

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Solution

The fourth proportional to 164,911.95, 227,578.92 and 89,460.45 is: 123,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,911.95 : 227,578.92 = 89,460.45 : x
  2. Step 2: Convert to fraction form
    164,911.95/227,578.92 = 89,460.45/x
  3. Step 3: Cross multiply
    164,911.95x = 227,578.92 × 89,460.45
  4. Step 4: Simplify right side
    164,911.95x = 20,359,311,864.26
  5. Step 5: Solve for x
    x = 20,359,311,864.26/164,911.95
  6. Step 6: Final answer
    x = 123,455.65

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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.