Home / 113,600.40-156,765.06-71,182.32

Finding the Fourth Proportional to 113,600.40, 156,765.06 and 71,182.32

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Solution

The fourth proportional to 113,600.40, 156,765.06 and 71,182.32 is: 98,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,600.40 : 156,765.06 = 71,182.32 : x
  2. Step 2: Convert to fraction form
    113,600.40/156,765.06 = 71,182.32/x
  3. Step 3: Cross multiply
    113,600.40x = 156,765.06 × 71,182.32
  4. Step 4: Simplify right side
    113,600.40x = 11,158,900,665.74
  5. Step 5: Solve for x
    x = 11,158,900,665.74/113,600.40
  6. Step 6: Final answer
    x = 98,229.41

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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.