Home / 113,583.18-156,745.02-68,261.87

Finding the Fourth Proportional to 113,583.18, 156,745.02 and 68,261.87

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Solution

The fourth proportional to 113,583.18, 156,745.02 and 68,261.87 is: 94,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,583.18 : 156,745.02 = 68,261.87 : x
  2. Step 2: Convert to fraction form
    113,583.18/156,745.02 = 68,261.87/x
  3. Step 3: Cross multiply
    113,583.18x = 156,745.02 × 68,261.87
  4. Step 4: Simplify right side
    113,583.18x = 10,699,707,394.66
  5. Step 5: Solve for x
    x = 10,699,707,394.66/113,583.18
  6. Step 6: Final answer
    x = 94,201.51

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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.