Home / 145,815.03-218,753.06-61,575.44

Finding the Fourth Proportional to 145,815.03, 218,753.06 and 61,575.44

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Solution

The fourth proportional to 145,815.03, 218,753.06 and 61,575.44 is: 92,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,815.03 : 218,753.06 = 61,575.44 : x
  2. Step 2: Convert to fraction form
    145,815.03/218,753.06 = 61,575.44/x
  3. Step 3: Cross multiply
    145,815.03x = 218,753.06 × 61,575.44
  4. Step 4: Simplify right side
    145,815.03x = 13,469,814,519.20
  5. Step 5: Solve for x
    x = 13,469,814,519.20/145,815.03
  6. Step 6: Final answer
    x = 92,376.04

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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.