Home / 283,616.40-391,393.24-156,296.52

Finding the Fourth Proportional to 283,616.40, 391,393.24 and 156,296.52

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Solution

The fourth proportional to 283,616.40, 391,393.24 and 156,296.52 is: 215,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,616.40 : 391,393.24 = 156,296.52 : x
  2. Step 2: Convert to fraction form
    283,616.40/391,393.24 = 156,296.52/x
  3. Step 3: Cross multiply
    283,616.40x = 391,393.24 × 156,296.52
  4. Step 4: Simplify right side
    283,616.40x = 61,173,401,363.52
  5. Step 5: Solve for x
    x = 61,173,401,363.52/283,616.40
  6. Step 6: Final answer
    x = 215,690.63

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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.