Home / 125,281.80-187,672.05-75,334.37

Finding the Fourth Proportional to 125,281.80, 187,672.05 and 75,334.37

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Solution

The fourth proportional to 125,281.80, 187,672.05 and 75,334.37 is: 112,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,281.80 : 187,672.05 = 75,334.37 : x
  2. Step 2: Convert to fraction form
    125,281.80/187,672.05 = 75,334.37/x
  3. Step 3: Cross multiply
    125,281.80x = 187,672.05 × 75,334.37
  4. Step 4: Simplify right side
    125,281.80x = 14,138,154,715.00
  5. Step 5: Solve for x
    x = 14,138,154,715.00/125,281.80
  6. Step 6: Final answer
    x = 112,850.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.