Home / 239,862.51-331,023.24-132,432.21

Finding the Fourth Proportional to 239,862.51, 331,023.24 and 132,432.21

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Solution

The fourth proportional to 239,862.51, 331,023.24 and 132,432.21 is: 182,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,862.51 : 331,023.24 = 132,432.21 : x
  2. Step 2: Convert to fraction form
    239,862.51/331,023.24 = 132,432.21/x
  3. Step 3: Cross multiply
    239,862.51x = 331,023.24 × 132,432.21
  4. Step 4: Simplify right side
    239,862.51x = 43,838,139,234.56
  5. Step 5: Solve for x
    x = 43,838,139,234.56/239,862.51
  6. Step 6: Final answer
    x = 182,763.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.