Home / 283,982.76-391,894.02-156,663.72

Finding the Fourth Proportional to 283,982.76, 391,894.02 and 156,663.72

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Solution

The fourth proportional to 283,982.76, 391,894.02 and 156,663.72 is: 216,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,982.76 : 391,894.02 = 156,663.72 : x
  2. Step 2: Convert to fraction form
    283,982.76/391,894.02 = 156,663.72/x
  3. Step 3: Cross multiply
    283,982.76x = 391,894.02 × 156,663.72
  4. Step 4: Simplify right side
    283,982.76x = 61,395,575,018.95
  5. Step 5: Solve for x
    x = 61,395,575,018.95/283,982.76
  6. Step 6: Final answer
    x = 216,194.73

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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.