Home / 256,922.20-384,800.10-132,117.40

Finding the Fourth Proportional to 256,922.20, 384,800.10 and 132,117.40

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Solution

The fourth proportional to 256,922.20, 384,800.10 and 132,117.40 is: 197,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,922.20 : 384,800.10 = 132,117.40 : x
  2. Step 2: Convert to fraction form
    256,922.20/384,800.10 = 132,117.40/x
  3. Step 3: Cross multiply
    256,922.20x = 384,800.10 × 132,117.40
  4. Step 4: Simplify right side
    256,922.20x = 50,838,788,731.74
  5. Step 5: Solve for x
    x = 50,838,788,731.74/256,922.20
  6. Step 6: Final answer
    x = 197,876.20

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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.