Home / 124,966.80-187,466.40-61,819.20

Finding the Fourth Proportional to 124,966.80, 187,466.40 and 61,819.20

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Solution

The fourth proportional to 124,966.80, 187,466.40 and 61,819.20 is: 92,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,966.80 : 187,466.40 = 61,819.20 : x
  2. Step 2: Convert to fraction form
    124,966.80/187,466.40 = 61,819.20/x
  3. Step 3: Cross multiply
    124,966.80x = 187,466.40 × 61,819.20
  4. Step 4: Simplify right side
    124,966.80x = 11,589,022,874.88
  5. Step 5: Solve for x
    x = 11,589,022,874.88/124,966.80
  6. Step 6: Final answer
    x = 92,736.81

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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.