Home / 283,440.68-391,165.88-156,116.24

Finding the Fourth Proportional to 283,440.68, 391,165.88 and 156,116.24

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Solution

The fourth proportional to 283,440.68, 391,165.88 and 156,116.24 is: 215,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,440.68 : 391,165.88 = 156,116.24 : x
  2. Step 2: Convert to fraction form
    283,440.68/391,165.88 = 156,116.24/x
  3. Step 3: Cross multiply
    283,440.68x = 391,165.88 × 156,116.24
  4. Step 4: Simplify right side
    283,440.68x = 61,067,346,401.89
  5. Step 5: Solve for x
    x = 61,067,346,401.89/283,440.68
  6. Step 6: Final answer
    x = 215,450.18

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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.