Home / 141,710.76-212,381.34-71,552.04

Finding the Fourth Proportional to 141,710.76, 212,381.34 and 71,552.04

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Solution

The fourth proportional to 141,710.76, 212,381.34 and 71,552.04 is: 107,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,710.76 : 212,381.34 = 71,552.04 : x
  2. Step 2: Convert to fraction form
    141,710.76/212,381.34 = 71,552.04/x
  3. Step 3: Cross multiply
    141,710.76x = 212,381.34 × 71,552.04
  4. Step 4: Simplify right side
    141,710.76x = 15,196,318,134.93
  5. Step 5: Solve for x
    x = 15,196,318,134.93/141,710.76
  6. Step 6: Final answer
    x = 107,234.75

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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.