Home / 239,877.45-331,036.02-132,454.22

Finding the Fourth Proportional to 239,877.45, 331,036.02 and 132,454.22

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Solution

The fourth proportional to 239,877.45, 331,036.02 and 132,454.22 is: 182,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,877.45 : 331,036.02 = 132,454.22 : x
  2. Step 2: Convert to fraction form
    239,877.45/331,036.02 = 132,454.22/x
  3. Step 3: Cross multiply
    239,877.45x = 331,036.02 × 132,454.22
  4. Step 4: Simplify right side
    239,877.45x = 43,847,116,165.82
  5. Step 5: Solve for x
    x = 43,847,116,165.82/239,877.45
  6. Step 6: Final answer
    x = 182,789.65

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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.