Home / 134,901.80-186,164.76-74,472.52

Finding the Fourth Proportional to 134,901.80, 186,164.76 and 74,472.52

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Solution

The fourth proportional to 134,901.80, 186,164.76 and 74,472.52 is: 102,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.80 : 186,164.76 = 74,472.52 : x
  2. Step 2: Convert to fraction form
    134,901.80/186,164.76 = 74,472.52/x
  3. Step 3: Cross multiply
    134,901.80x = 186,164.76 × 74,472.52
  4. Step 4: Simplify right side
    134,901.80x = 13,864,158,812.40
  5. Step 5: Solve for x
    x = 13,864,158,812.40/134,901.80
  6. Step 6: Final answer
    x = 102,772.23

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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.