Home / 283,743.10-391,562.91-156,418.70

Finding the Fourth Proportional to 283,743.10, 391,562.91 and 156,418.70

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Solution

The fourth proportional to 283,743.10, 391,562.91 and 156,418.70 is: 215,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,743.10 : 391,562.91 = 156,418.70 : x
  2. Step 2: Convert to fraction form
    283,743.10/391,562.91 = 156,418.70/x
  3. Step 3: Cross multiply
    283,743.10x = 391,562.91 × 156,418.70
  4. Step 4: Simplify right side
    283,743.10x = 61,247,759,392.60
  5. Step 5: Solve for x
    x = 61,247,759,392.60/283,743.10
  6. Step 6: Final answer
    x = 215,856.38

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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.