Home / 239,955.28-331,140.78-132,528.04

Finding the Fourth Proportional to 239,955.28, 331,140.78 and 132,528.04

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Solution

The fourth proportional to 239,955.28, 331,140.78 and 132,528.04 is: 182,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,955.28 : 331,140.78 = 132,528.04 : x
  2. Step 2: Convert to fraction form
    239,955.28/331,140.78 = 132,528.04/x
  3. Step 3: Cross multiply
    239,955.28x = 331,140.78 × 132,528.04
  4. Step 4: Simplify right side
    239,955.28x = 43,885,438,537.47
  5. Step 5: Solve for x
    x = 43,885,438,537.47/239,955.28
  6. Step 6: Final answer
    x = 182,890.07

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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.