Home / 257,116.15-354,839.97-148,238.20

Finding the Fourth Proportional to 257,116.15, 354,839.97 and 148,238.20

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Solution

The fourth proportional to 257,116.15, 354,839.97 and 148,238.20 is: 204,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,116.15 : 354,839.97 = 148,238.20 : x
  2. Step 2: Convert to fraction form
    257,116.15/354,839.97 = 148,238.20/x
  3. Step 3: Cross multiply
    257,116.15x = 354,839.97 × 148,238.20
  4. Step 4: Simplify right side
    257,116.15x = 52,600,838,440.85
  5. Step 5: Solve for x
    x = 52,600,838,440.85/257,116.15
  6. Step 6: Final answer
    x = 204,580.06

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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.