Home / 283,973.28-391,867.28-156,623.52

Finding the Fourth Proportional to 283,973.28, 391,867.28 and 156,623.52

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Solution

The fourth proportional to 283,973.28, 391,867.28 and 156,623.52 is: 216,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,973.28 : 391,867.28 = 156,623.52 : x
  2. Step 2: Convert to fraction form
    283,973.28/391,867.28 = 156,623.52/x
  3. Step 3: Cross multiply
    283,973.28x = 391,867.28 × 156,623.52
  4. Step 4: Simplify right side
    283,973.28x = 61,375,632,766.43
  5. Step 5: Solve for x
    x = 61,375,632,766.43/283,973.28
  6. Step 6: Final answer
    x = 216,131.72

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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.