Home / 282,331.96-423,408.72-92,761.20

Finding the Fourth Proportional to 282,331.96, 423,408.72 and 92,761.20

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Solution

The fourth proportional to 282,331.96, 423,408.72 and 92,761.20 is: 139,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,331.96 : 423,408.72 = 92,761.20 : x
  2. Step 2: Convert to fraction form
    282,331.96/423,408.72 = 92,761.20/x
  3. Step 3: Cross multiply
    282,331.96x = 423,408.72 × 92,761.20
  4. Step 4: Simplify right side
    282,331.96x = 39,275,900,957.66
  5. Step 5: Solve for x
    x = 39,275,900,957.66/282,331.96
  6. Step 6: Final answer
    x = 139,112.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.