Home / 135,526.20-187,013.10-75,100.44

Finding the Fourth Proportional to 135,526.20, 187,013.10 and 75,100.44

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Solution

The fourth proportional to 135,526.20, 187,013.10 and 75,100.44 is: 103,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,526.20 : 187,013.10 = 75,100.44 : x
  2. Step 2: Convert to fraction form
    135,526.20/187,013.10 = 75,100.44/x
  3. Step 3: Cross multiply
    135,526.20x = 187,013.10 × 75,100.44
  4. Step 4: Simplify right side
    135,526.20x = 14,044,766,095.76
  5. Step 5: Solve for x
    x = 14,044,766,095.76/135,526.20
  6. Step 6: Final answer
    x = 103,631.37

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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.