Home / 147,586.90-221,337.15-52,806.10

Finding the Fourth Proportional to 147,586.90, 221,337.15 and 52,806.10

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Solution

The fourth proportional to 147,586.90, 221,337.15 and 52,806.10 is: 79,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,586.90 : 221,337.15 = 52,806.10 : x
  2. Step 2: Convert to fraction form
    147,586.90/221,337.15 = 52,806.10/x
  3. Step 3: Cross multiply
    147,586.90x = 221,337.15 × 52,806.10
  4. Step 4: Simplify right side
    147,586.90x = 11,687,951,676.62
  5. Step 5: Solve for x
    x = 11,687,951,676.62/147,586.90
  6. Step 6: Final answer
    x = 79,193.69

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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.