Home / 145,620.17-218,515.14-61,375.10

Finding the Fourth Proportional to 145,620.17, 218,515.14 and 61,375.10

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Solution

The fourth proportional to 145,620.17, 218,515.14 and 61,375.10 is: 92,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,620.17 : 218,515.14 = 61,375.10 : x
  2. Step 2: Convert to fraction form
    145,620.17/218,515.14 = 61,375.10/x
  3. Step 3: Cross multiply
    145,620.17x = 218,515.14 × 61,375.10
  4. Step 4: Simplify right side
    145,620.17x = 13,411,387,476.44
  5. Step 5: Solve for x
    x = 13,411,387,476.44/145,620.17
  6. Step 6: Final answer
    x = 92,098.42

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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.