Home / 283,503.30-391,235.23-156,181.02

Finding the Fourth Proportional to 283,503.30, 391,235.23 and 156,181.02

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Solution

The fourth proportional to 283,503.30, 391,235.23 and 156,181.02 is: 215,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,503.30 : 391,235.23 = 156,181.02 : x
  2. Step 2: Convert to fraction form
    283,503.30/391,235.23 = 156,181.02/x
  3. Step 3: Cross multiply
    283,503.30x = 391,235.23 × 156,181.02
  4. Step 4: Simplify right side
    283,503.30x = 61,103,517,281.33
  5. Step 5: Solve for x
    x = 61,103,517,281.33/283,503.30
  6. Step 6: Final answer
    x = 215,530.18

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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.