Home / 165,432.24-248,156.28-47,111.76

Finding the Fourth Proportional to 165,432.24, 248,156.28 and 47,111.76

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Solution

The fourth proportional to 165,432.24, 248,156.28 and 47,111.76 is: 70,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,432.24 : 248,156.28 = 47,111.76 : x
  2. Step 2: Convert to fraction form
    165,432.24/248,156.28 = 47,111.76/x
  3. Step 3: Cross multiply
    165,432.24x = 248,156.28 × 47,111.76
  4. Step 4: Simplify right side
    165,432.24x = 11,691,079,105.85
  5. Step 5: Solve for x
    x = 11,691,079,105.85/165,432.24
  6. Step 6: Final answer
    x = 70,669.90

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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.