Home / 113,601.40-156,766.44-71,183.32

Finding the Fourth Proportional to 113,601.40, 156,766.44 and 71,183.32

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Solution

The fourth proportional to 113,601.40, 156,766.44 and 71,183.32 is: 98,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,601.40 : 156,766.44 = 71,183.32 : x
  2. Step 2: Convert to fraction form
    113,601.40/156,766.44 = 71,183.32/x
  3. Step 3: Cross multiply
    113,601.40x = 156,766.44 × 71,183.32
  4. Step 4: Simplify right side
    113,601.40x = 11,159,155,663.78
  5. Step 5: Solve for x
    x = 11,159,155,663.78/113,601.40
  6. Step 6: Final answer
    x = 98,230.79

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1.5x scale

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.