Home / 283,894.12-391,769.22-156,581.56

Finding the Fourth Proportional to 283,894.12, 391,769.22 and 156,581.56

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Solution

The fourth proportional to 283,894.12, 391,769.22 and 156,581.56 is: 216,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,894.12 : 391,769.22 = 156,581.56 : x
  2. Step 2: Convert to fraction form
    283,894.12/391,769.22 = 156,581.56/x
  3. Step 3: Cross multiply
    283,894.12x = 391,769.22 × 156,581.56
  4. Step 4: Simplify right side
    283,894.12x = 61,343,835,627.58
  5. Step 5: Solve for x
    x = 61,343,835,627.58/283,894.12
  6. Step 6: Final answer
    x = 216,079.98

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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.