Home / 135,732.13-187,332.83-75,322.18

Finding the Fourth Proportional to 135,732.13, 187,332.83 and 75,322.18

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Solution

The fourth proportional to 135,732.13, 187,332.83 and 75,322.18 is: 103,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,732.13 : 187,332.83 = 75,322.18 : x
  2. Step 2: Convert to fraction form
    135,732.13/187,332.83 = 75,322.18/x
  3. Step 3: Cross multiply
    135,732.13x = 187,332.83 × 75,322.18
  4. Step 4: Simplify right side
    135,732.13x = 14,110,316,764.56
  5. Step 5: Solve for x
    x = 14,110,316,764.56/135,732.13
  6. Step 6: Final answer
    x = 103,957.08

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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.