Home / 157,181.12-216,845.88-96,733.52

Finding the Fourth Proportional to 157,181.12, 216,845.88 and 96,733.52

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Solution

The fourth proportional to 157,181.12, 216,845.88 and 96,733.52 is: 133,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,181.12 : 216,845.88 = 96,733.52 : x
  2. Step 2: Convert to fraction form
    157,181.12/216,845.88 = 96,733.52/x
  3. Step 3: Cross multiply
    157,181.12x = 216,845.88 × 96,733.52
  4. Step 4: Simplify right side
    157,181.12x = 20,976,265,269.90
  5. Step 5: Solve for x
    x = 20,976,265,269.90/157,181.12
  6. Step 6: Final answer
    x = 133,452.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.