Home / 214,661.28-296,179.92-128,634.24

Finding the Fourth Proportional to 214,661.28, 296,179.92 and 128,634.24

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Solution

The fourth proportional to 214,661.28, 296,179.92 and 128,634.24 is: 177,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,661.28 : 296,179.92 = 128,634.24 : x
  2. Step 2: Convert to fraction form
    214,661.28/296,179.92 = 128,634.24/x
  3. Step 3: Cross multiply
    214,661.28x = 296,179.92 × 128,634.24
  4. Step 4: Simplify right side
    214,661.28x = 38,098,878,912.46
  5. Step 5: Solve for x
    x = 38,098,878,912.46/214,661.28
  6. Step 6: Final answer
    x = 177,483.70

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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.