Home / 283,372.02-391,053.42-156,046.50

Finding the Fourth Proportional to 283,372.02, 391,053.42 and 156,046.50

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Solution

The fourth proportional to 283,372.02, 391,053.42 and 156,046.50 is: 215,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,372.02 : 391,053.42 = 156,046.50 : x
  2. Step 2: Convert to fraction form
    283,372.02/391,053.42 = 156,046.50/x
  3. Step 3: Cross multiply
    283,372.02x = 391,053.42 × 156,046.50
  4. Step 4: Simplify right side
    283,372.02x = 61,022,517,504.03
  5. Step 5: Solve for x
    x = 61,022,517,504.03/283,372.02
  6. Step 6: Final answer
    x = 215,344.19

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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.