Home / 321,724.29-482,590.14-97,086.66

Finding the Fourth Proportional to 321,724.29, 482,590.14 and 97,086.66

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Solution

The fourth proportional to 321,724.29, 482,590.14 and 97,086.66 is: 145,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,724.29 : 482,590.14 = 97,086.66 : x
  2. Step 2: Convert to fraction form
    321,724.29/482,590.14 = 97,086.66/x
  3. Step 3: Cross multiply
    321,724.29x = 482,590.14 × 97,086.66
  4. Step 4: Simplify right side
    321,724.29x = 46,853,064,841.53
  5. Step 5: Solve for x
    x = 46,853,064,841.53/321,724.29
  6. Step 6: Final answer
    x = 145,631.11

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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.