Home / 157,585.76-236,380.70-52,404.72

Finding the Fourth Proportional to 157,585.76, 236,380.70 and 52,404.72

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Solution

The fourth proportional to 157,585.76, 236,380.70 and 52,404.72 is: 78,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,585.76 : 236,380.70 = 52,404.72 : x
  2. Step 2: Convert to fraction form
    157,585.76/236,380.70 = 52,404.72/x
  3. Step 3: Cross multiply
    157,585.76x = 236,380.70 × 52,404.72
  4. Step 4: Simplify right side
    157,585.76x = 12,387,464,396.90
  5. Step 5: Solve for x
    x = 12,387,464,396.90/157,585.76
  6. Step 6: Final answer
    x = 78,607.77

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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.