Home / 256,204.88-384,541.68-129,932.24

Finding the Fourth Proportional to 256,204.88, 384,541.68 and 129,932.24

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Solution

The fourth proportional to 256,204.88, 384,541.68 and 129,932.24 is: 195,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,204.88 : 384,541.68 = 129,932.24 : x
  2. Step 2: Convert to fraction form
    256,204.88/384,541.68 = 129,932.24/x
  3. Step 3: Cross multiply
    256,204.88x = 384,541.68 × 129,932.24
  4. Step 4: Simplify right side
    256,204.88x = 49,964,361,855.76
  5. Step 5: Solve for x
    x = 49,964,361,855.76/256,204.88
  6. Step 6: Final answer
    x = 195,017.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.