Home / 157,613.70-236,442.15-52,421.70

Finding the Fourth Proportional to 157,613.70, 236,442.15 and 52,421.70

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Solution

The fourth proportional to 157,613.70, 236,442.15 and 52,421.70 is: 78,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,613.70 : 236,442.15 = 52,421.70 : x
  2. Step 2: Convert to fraction form
    157,613.70/236,442.15 = 52,421.70/x
  3. Step 3: Cross multiply
    157,613.70x = 236,442.15 × 52,421.70
  4. Step 4: Simplify right side
    157,613.70x = 12,394,699,454.66
  5. Step 5: Solve for x
    x = 12,394,699,454.66/157,613.70
  6. Step 6: Final answer
    x = 78,639.73

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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.