Home / 257,117.15-354,841.35-148,239.20

Finding the Fourth Proportional to 257,117.15, 354,841.35 and 148,239.20

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Solution

The fourth proportional to 257,117.15, 354,841.35 and 148,239.20 is: 204,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,117.15 : 354,841.35 = 148,239.20 : x
  2. Step 2: Convert to fraction form
    257,117.15/354,841.35 = 148,239.20/x
  3. Step 3: Cross multiply
    257,117.15x = 354,841.35 × 148,239.20
  4. Step 4: Simplify right side
    257,117.15x = 52,601,397,850.92
  5. Step 5: Solve for x
    x = 52,601,397,850.92/257,117.15
  6. Step 6: Final answer
    x = 204,581.44

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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.