Home / 123,815.60-185,701.80-44,889.20

Finding the Fourth Proportional to 123,815.60, 185,701.80 and 44,889.20

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Solution

The fourth proportional to 123,815.60, 185,701.80 and 44,889.20 is: 67,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,815.60 : 185,701.80 = 44,889.20 : x
  2. Step 2: Convert to fraction form
    123,815.60/185,701.80 = 44,889.20/x
  3. Step 3: Cross multiply
    123,815.60x = 185,701.80 × 44,889.20
  4. Step 4: Simplify right side
    123,815.60x = 8,336,005,240.56
  5. Step 5: Solve for x
    x = 8,336,005,240.56/123,815.60
  6. Step 6: Final answer
    x = 67,325.97

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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.