Home / 102,191.22-153,318.04-52,306.66

Finding the Fourth Proportional to 102,191.22, 153,318.04 and 52,306.66

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Solution

The fourth proportional to 102,191.22, 153,318.04 and 52,306.66 is: 78,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.22 : 153,318.04 = 52,306.66 : x
  2. Step 2: Convert to fraction form
    102,191.22/153,318.04 = 52,306.66/x
  3. Step 3: Cross multiply
    102,191.22x = 153,318.04 × 52,306.66
  4. Step 4: Simplify right side
    102,191.22x = 8,019,554,590.15
  5. Step 5: Solve for x
    x = 8,019,554,590.15/102,191.22
  6. Step 6: Final answer
    x = 78,475.96

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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.