Home / 134,903.28-186,167.23-74,472.82

Finding the Fourth Proportional to 134,903.28, 186,167.23 and 74,472.82

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Solution

The fourth proportional to 134,903.28, 186,167.23 and 74,472.82 is: 102,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.28 : 186,167.23 = 74,472.82 : x
  2. Step 2: Convert to fraction form
    134,903.28/186,167.23 = 74,472.82/x
  3. Step 3: Cross multiply
    134,903.28x = 186,167.23 × 74,472.82
  4. Step 4: Simplify right side
    134,903.28x = 13,864,398,609.69
  5. Step 5: Solve for x
    x = 13,864,398,609.69/134,903.28
  6. Step 6: Final answer
    x = 102,772.88

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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.