Home / 239,835.33-330,972.75-132,405.57

Finding the Fourth Proportional to 239,835.33, 330,972.75 and 132,405.57

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Solution

The fourth proportional to 239,835.33, 330,972.75 and 132,405.57 is: 182,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,835.33 : 330,972.75 = 132,405.57 : x
  2. Step 2: Convert to fraction form
    239,835.33/330,972.75 = 132,405.57/x
  3. Step 3: Cross multiply
    239,835.33x = 330,972.75 × 132,405.57
  4. Step 4: Simplify right side
    239,835.33x = 43,822,635,618.22
  5. Step 5: Solve for x
    x = 43,822,635,618.22/239,835.33
  6. Step 6: Final answer
    x = 182,719.68

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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.