Home / 256,757.28-354,374.04-172,022.08

Finding the Fourth Proportional to 256,757.28, 354,374.04 and 172,022.08

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Solution

The fourth proportional to 256,757.28, 354,374.04 and 172,022.08 is: 237,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,757.28 : 354,374.04 = 172,022.08 : x
  2. Step 2: Convert to fraction form
    256,757.28/354,374.04 = 172,022.08/x
  3. Step 3: Cross multiply
    256,757.28x = 354,374.04 × 172,022.08
  4. Step 4: Simplify right side
    256,757.28x = 60,960,159,458.80
  5. Step 5: Solve for x
    x = 60,960,159,458.80/256,757.28
  6. Step 6: Final answer
    x = 237,423.30

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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.