Home / 283,582.08-391,360.68-156,257.64

Finding the Fourth Proportional to 283,582.08, 391,360.68 and 156,257.64

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Solution

The fourth proportional to 283,582.08, 391,360.68 and 156,257.64 is: 215,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,582.08 : 391,360.68 = 156,257.64 : x
  2. Step 2: Convert to fraction form
    283,582.08/391,360.68 = 156,257.64/x
  3. Step 3: Cross multiply
    283,582.08x = 391,360.68 × 156,257.64
  4. Step 4: Simplify right side
    283,582.08x = 61,153,096,245.60
  5. Step 5: Solve for x
    x = 61,153,096,245.60/283,582.08
  6. Step 6: Final answer
    x = 215,645.14

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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.