Home / 185,031.64-255,348.31-113,451.12

Finding the Fourth Proportional to 185,031.64, 255,348.31 and 113,451.12

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Solution

The fourth proportional to 185,031.64, 255,348.31 and 113,451.12 is: 156,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,031.64 : 255,348.31 = 113,451.12 : x
  2. Step 2: Convert to fraction form
    185,031.64/255,348.31 = 113,451.12/x
  3. Step 3: Cross multiply
    185,031.64x = 255,348.31 × 113,451.12
  4. Step 4: Simplify right side
    185,031.64x = 28,969,551,759.61
  5. Step 5: Solve for x
    x = 28,969,551,759.61/185,031.64
  6. Step 6: Final answer
    x = 156,565.39

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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.