Home / 103,344.38-155,051.07-40,166.53

Finding the Fourth Proportional to 103,344.38, 155,051.07 and 40,166.53

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Solution

The fourth proportional to 103,344.38, 155,051.07 and 40,166.53 is: 60,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344.38 : 155,051.07 = 40,166.53 : x
  2. Step 2: Convert to fraction form
    103,344.38/155,051.07 = 40,166.53/x
  3. Step 3: Cross multiply
    103,344.38x = 155,051.07 × 40,166.53
  4. Step 4: Simplify right side
    103,344.38x = 6,227,863,454.69
  5. Step 5: Solve for x
    x = 6,227,863,454.69/103,344.38
  6. Step 6: Final answer
    x = 60,263.20

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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.