Home / 283,546.03-391,293.31-156,221.62

Finding the Fourth Proportional to 283,546.03, 391,293.31 and 156,221.62

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Solution

The fourth proportional to 283,546.03, 391,293.31 and 156,221.62 is: 215,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,546.03 : 391,293.31 = 156,221.62 : x
  2. Step 2: Convert to fraction form
    283,546.03/391,293.31 = 156,221.62/x
  3. Step 3: Cross multiply
    283,546.03x = 391,293.31 × 156,221.62
  4. Step 4: Simplify right side
    283,546.03x = 61,128,474,783.36
  5. Step 5: Solve for x
    x = 61,128,474,783.36/283,546.03
  6. Step 6: Final answer
    x = 215,585.72

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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.