Home / 113,270.81-156,317.11-62,280.90

Finding the Fourth Proportional to 113,270.81, 156,317.11 and 62,280.90

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Solution

The fourth proportional to 113,270.81, 156,317.11 and 62,280.90 is: 85,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,270.81 : 156,317.11 = 62,280.90 : x
  2. Step 2: Convert to fraction form
    113,270.81/156,317.11 = 62,280.90/x
  3. Step 3: Cross multiply
    113,270.81x = 156,317.11 × 62,280.90
  4. Step 4: Simplify right side
    113,270.81x = 9,735,570,296.20
  5. Step 5: Solve for x
    x = 9,735,570,296.20/113,270.81
  6. Step 6: Final answer
    x = 85,949.51

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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.