Home / 157,445.10-236,016.45-52,209.90

Finding the Fourth Proportional to 157,445.10, 236,016.45 and 52,209.90

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Solution

The fourth proportional to 157,445.10, 236,016.45 and 52,209.90 is: 78,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.10 : 236,016.45 = 52,209.90 : x
  2. Step 2: Convert to fraction form
    157,445.10/236,016.45 = 52,209.90/x
  3. Step 3: Cross multiply
    157,445.10x = 236,016.45 × 52,209.90
  4. Step 4: Simplify right side
    157,445.10x = 12,322,395,252.86
  5. Step 5: Solve for x
    x = 12,322,395,252.86/157,445.10
  6. Step 6: Final answer
    x = 78,264.71

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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.