Home / 168,543.15-252,780.58-61,890.48

Finding the Fourth Proportional to 168,543.15, 252,780.58 and 61,890.48

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Solution

The fourth proportional to 168,543.15, 252,780.58 and 61,890.48 is: 92,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,543.15 : 252,780.58 = 61,890.48 : x
  2. Step 2: Convert to fraction form
    168,543.15/252,780.58 = 61,890.48/x
  3. Step 3: Cross multiply
    168,543.15x = 252,780.58 × 61,890.48
  4. Step 4: Simplify right side
    168,543.15x = 15,644,711,508.24
  5. Step 5: Solve for x
    x = 15,644,711,508.24/168,543.15
  6. Step 6: Final answer
    x = 92,823.18

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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.