Home / 125,343.46-187,725.54-75,313.27

Finding the Fourth Proportional to 125,343.46, 187,725.54 and 75,313.27

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Solution

The fourth proportional to 125,343.46, 187,725.54 and 75,313.27 is: 112,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,343.46 : 187,725.54 = 75,313.27 : x
  2. Step 2: Convert to fraction form
    125,343.46/187,725.54 = 75,313.27/x
  3. Step 3: Cross multiply
    125,343.46x = 187,725.54 × 75,313.27
  4. Step 4: Simplify right side
    125,343.46x = 14,138,224,279.92
  5. Step 5: Solve for x
    x = 14,138,224,279.92/125,343.46
  6. Step 6: Final answer
    x = 112,795.87

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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.