Home / 147,511.50-221,291.86-47,659.92

Finding the Fourth Proportional to 147,511.50, 221,291.86 and 47,659.92

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Solution

The fourth proportional to 147,511.50, 221,291.86 and 47,659.92 is: 71,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,511.50 : 221,291.86 = 47,659.92 : x
  2. Step 2: Convert to fraction form
    147,511.50/221,291.86 = 47,659.92/x
  3. Step 3: Cross multiply
    147,511.50x = 221,291.86 × 47,659.92
  4. Step 4: Simplify right side
    147,511.50x = 10,546,752,344.25
  5. Step 5: Solve for x
    x = 10,546,752,344.25/147,511.50
  6. Step 6: Final answer
    x = 71,497.83

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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.