Home / 147,238.44-220,853.16-42,057.60

Finding the Fourth Proportional to 147,238.44, 220,853.16 and 42,057.60

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Solution

The fourth proportional to 147,238.44, 220,853.16 and 42,057.60 is: 63,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,238.44 : 220,853.16 = 42,057.60 : x
  2. Step 2: Convert to fraction form
    147,238.44/220,853.16 = 42,057.60/x
  3. Step 3: Cross multiply
    147,238.44x = 220,853.16 × 42,057.60
  4. Step 4: Simplify right side
    147,238.44x = 9,288,553,862.02
  5. Step 5: Solve for x
    x = 9,288,553,862.02/147,238.44
  6. Step 6: Final answer
    x = 63,085.11

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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.