Home / 135,952.32-187,644.15-75,543.69

Finding the Fourth Proportional to 135,952.32, 187,644.15 and 75,543.69

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Solution

The fourth proportional to 135,952.32, 187,644.15 and 75,543.69 is: 104,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,952.32 : 187,644.15 = 75,543.69 : x
  2. Step 2: Convert to fraction form
    135,952.32/187,644.15 = 75,543.69/x
  3. Step 3: Cross multiply
    135,952.32x = 187,644.15 × 75,543.69
  4. Step 4: Simplify right side
    135,952.32x = 14,175,331,497.91
  5. Step 5: Solve for x
    x = 14,175,331,497.91/135,952.32
  6. Step 6: Final answer
    x = 104,266.93

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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.