Home / 147,217.54-220,821.59-61,873.61

Finding the Fourth Proportional to 147,217.54, 220,821.59 and 61,873.61

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Solution

The fourth proportional to 147,217.54, 220,821.59 and 61,873.61 is: 92,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217.54 : 220,821.59 = 61,873.61 : x
  2. Step 2: Convert to fraction form
    147,217.54/220,821.59 = 61,873.61/x
  3. Step 3: Cross multiply
    147,217.54x = 220,821.59 × 61,873.61
  4. Step 4: Simplify right side
    147,217.54x = 13,663,027,835.13
  5. Step 5: Solve for x
    x = 13,663,027,835.13/147,217.54
  6. Step 6: Final answer
    x = 92,808.43

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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.