Home / 256,078.08-353,333.76-148,634.88

Finding the Fourth Proportional to 256,078.08, 353,333.76 and 148,634.88

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Solution

The fourth proportional to 256,078.08, 353,333.76 and 148,634.88 is: 205,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,078.08 : 353,333.76 = 148,634.88 : x
  2. Step 2: Convert to fraction form
    256,078.08/353,333.76 = 148,634.88/x
  3. Step 3: Cross multiply
    256,078.08x = 353,333.76 × 148,634.88
  4. Step 4: Simplify right side
    256,078.08x = 52,517,721,017.55
  5. Step 5: Solve for x
    x = 52,517,721,017.55/256,078.08
  6. Step 6: Final answer
    x = 205,084.80

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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.