Home / 239,953.48-331,129.46-132,521.20

Finding the Fourth Proportional to 239,953.48, 331,129.46 and 132,521.20

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Solution

The fourth proportional to 239,953.48, 331,129.46 and 132,521.20 is: 182,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,953.48 : 331,129.46 = 132,521.20 : x
  2. Step 2: Convert to fraction form
    239,953.48/331,129.46 = 132,521.20/x
  3. Step 3: Cross multiply
    239,953.48x = 331,129.46 × 132,521.20
  4. Step 4: Simplify right side
    239,953.48x = 43,881,673,394.55
  5. Step 5: Solve for x
    x = 43,881,673,394.55/239,953.48
  6. Step 6: Final answer
    x = 182,875.75

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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.