Home / 127,343.28-175,787.58-85,959.24

Finding the Fourth Proportional to 127,343.28, 175,787.58 and 85,959.24

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Solution

The fourth proportional to 127,343.28, 175,787.58 and 85,959.24 is: 118,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.28 : 175,787.58 = 85,959.24 : x
  2. Step 2: Convert to fraction form
    127,343.28/175,787.58 = 85,959.24/x
  3. Step 3: Cross multiply
    127,343.28x = 175,787.58 × 85,959.24
  4. Step 4: Simplify right side
    127,343.28x = 15,110,566,778.24
  5. Step 5: Solve for x
    x = 15,110,566,778.24/127,343.28
  6. Step 6: Final answer
    x = 118,660.10

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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.