Home / 186,424.13-257,183.45-125,972.72

Finding the Fourth Proportional to 186,424.13, 257,183.45 and 125,972.72

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Solution

The fourth proportional to 186,424.13, 257,183.45 and 125,972.72 is: 173,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,424.13 : 257,183.45 = 125,972.72 : x
  2. Step 2: Convert to fraction form
    186,424.13/257,183.45 = 125,972.72/x
  3. Step 3: Cross multiply
    186,424.13x = 257,183.45 × 125,972.72
  4. Step 4: Simplify right side
    186,424.13x = 32,398,098,965.14
  5. Step 5: Solve for x
    x = 32,398,098,965.14/186,424.13
  6. Step 6: Final answer
    x = 173,787.04

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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.