Home / 134,901.12-186,164.14-74,472.26

Finding the Fourth Proportional to 134,901.12, 186,164.14 and 74,472.26

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Solution

The fourth proportional to 134,901.12, 186,164.14 and 74,472.26 is: 102,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.12 : 186,164.14 = 74,472.26 : x
  2. Step 2: Convert to fraction form
    134,901.12/186,164.14 = 74,472.26/x
  3. Step 3: Cross multiply
    134,901.12x = 186,164.14 × 74,472.26
  4. Step 4: Simplify right side
    134,901.12x = 13,864,062,933.57
  5. Step 5: Solve for x
    x = 13,864,062,933.57/134,901.12
  6. Step 6: Final answer
    x = 102,772.04

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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.