Home / 280,244.26-386,733.45-152,917.66

Finding the Fourth Proportional to 280,244.26, 386,733.45 and 152,917.66

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Solution

The fourth proportional to 280,244.26, 386,733.45 and 152,917.66 is: 211,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,244.26 : 386,733.45 = 152,917.66 : x
  2. Step 2: Convert to fraction form
    280,244.26/386,733.45 = 152,917.66/x
  3. Step 3: Cross multiply
    280,244.26x = 386,733.45 × 152,917.66
  4. Step 4: Simplify right side
    280,244.26x = 59,138,374,217.73
  5. Step 5: Solve for x
    x = 59,138,374,217.73/280,244.26
  6. Step 6: Final answer
    x = 211,024.39

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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.