Home / 162,565.82-243,918.78-67,814.66

Finding the Fourth Proportional to 162,565.82, 243,918.78 and 67,814.66

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Solution

The fourth proportional to 162,565.82, 243,918.78 and 67,814.66 is: 101,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,565.82 : 243,918.78 = 67,814.66 : x
  2. Step 2: Convert to fraction form
    162,565.82/243,918.78 = 67,814.66/x
  3. Step 3: Cross multiply
    162,565.82x = 243,918.78 × 67,814.66
  4. Step 4: Simplify right side
    162,565.82x = 16,541,267,913.72
  5. Step 5: Solve for x
    x = 16,541,267,913.72/162,565.82
  6. Step 6: Final answer
    x = 101,751.21

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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.