Home / 283,520.34-391,244.04-156,172.14

Finding the Fourth Proportional to 283,520.34, 391,244.04 and 156,172.14

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Solution

The fourth proportional to 283,520.34, 391,244.04 and 156,172.14 is: 215,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,520.34 : 391,244.04 = 156,172.14 : x
  2. Step 2: Convert to fraction form
    283,520.34/391,244.04 = 156,172.14/x
  3. Step 3: Cross multiply
    283,520.34x = 391,244.04 × 156,172.14
  4. Step 4: Simplify right side
    283,520.34x = 61,101,418,989.05
  5. Step 5: Solve for x
    x = 61,101,418,989.05/283,520.34
  6. Step 6: Final answer
    x = 215,509.83

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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.