Home / 147,803.20-221,737.56-42,613.96

Finding the Fourth Proportional to 147,803.20, 221,737.56 and 42,613.96

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Solution

The fourth proportional to 147,803.20, 221,737.56 and 42,613.96 is: 63,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.20 : 221,737.56 = 42,613.96 : x
  2. Step 2: Convert to fraction form
    147,803.20/221,737.56 = 42,613.96/x
  3. Step 3: Cross multiply
    147,803.20x = 221,737.56 × 42,613.96
  4. Step 4: Simplify right side
    147,803.20x = 9,449,115,512.34
  5. Step 5: Solve for x
    x = 9,449,115,512.34/147,803.20
  6. Step 6: Final answer
    x = 63,930.39

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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.