Home / 283,627.23-391,405.56-156,302.82

Finding the Fourth Proportional to 283,627.23, 391,405.56 and 156,302.82

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Solution

The fourth proportional to 283,627.23, 391,405.56 and 156,302.82 is: 215,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,627.23 : 391,405.56 = 156,302.82 : x
  2. Step 2: Convert to fraction form
    283,627.23/391,405.56 = 156,302.82/x
  3. Step 3: Cross multiply
    283,627.23x = 391,405.56 × 156,302.82
  4. Step 4: Simplify right side
    283,627.23x = 61,177,792,791.68
  5. Step 5: Solve for x
    x = 61,177,792,791.68/283,627.23
  6. Step 6: Final answer
    x = 215,697.88

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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.