Home / 239,585.96-330,647.20-132,165.38

Finding the Fourth Proportional to 239,585.96, 330,647.20 and 132,165.38

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Solution

The fourth proportional to 239,585.96, 330,647.20 and 132,165.38 is: 182,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,585.96 : 330,647.20 = 132,165.38 : x
  2. Step 2: Convert to fraction form
    239,585.96/330,647.20 = 132,165.38/x
  3. Step 3: Cross multiply
    239,585.96x = 330,647.20 × 132,165.38
  4. Step 4: Simplify right side
    239,585.96x = 43,700,112,833.94
  5. Step 5: Solve for x
    x = 43,700,112,833.94/239,585.96
  6. Step 6: Final answer
    x = 182,398.47

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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.