Home / 127,524.11-175,972.37-73,812.47

Finding the Fourth Proportional to 127,524.11, 175,972.37 and 73,812.47

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Solution

The fourth proportional to 127,524.11, 175,972.37 and 73,812.47 is: 101,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,524.11 : 175,972.37 = 73,812.47 : x
  2. Step 2: Convert to fraction form
    127,524.11/175,972.37 = 73,812.47/x
  3. Step 3: Cross multiply
    127,524.11x = 175,972.37 × 73,812.47
  4. Step 4: Simplify right side
    127,524.11x = 12,988,954,032.53
  5. Step 5: Solve for x
    x = 12,988,954,032.53/127,524.11
  6. Step 6: Final answer
    x = 101,854.89

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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.