Home / 283,591.36-391,364.41-156,275.15

Finding the Fourth Proportional to 283,591.36, 391,364.41 and 156,275.15

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Solution

The fourth proportional to 283,591.36, 391,364.41 and 156,275.15 is: 215,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,591.36 : 391,364.41 = 156,275.15 : x
  2. Step 2: Convert to fraction form
    283,591.36/391,364.41 = 156,275.15/x
  3. Step 3: Cross multiply
    283,591.36x = 391,364.41 × 156,275.15
  4. Step 4: Simplify right side
    283,591.36x = 61,160,531,877.41
  5. Step 5: Solve for x
    x = 61,160,531,877.41/283,591.36
  6. Step 6: Final answer
    x = 215,664.30

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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.