Home / 151,540.18-209,074.66-97,861.48

Finding the Fourth Proportional to 151,540.18, 209,074.66 and 97,861.48

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Solution

The fourth proportional to 151,540.18, 209,074.66 and 97,861.48 is: 135,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,540.18 : 209,074.66 = 97,861.48 : x
  2. Step 2: Convert to fraction form
    151,540.18/209,074.66 = 97,861.48/x
  3. Step 3: Cross multiply
    151,540.18x = 209,074.66 × 97,861.48
  4. Step 4: Simplify right side
    151,540.18x = 20,460,355,658.10
  5. Step 5: Solve for x
    x = 20,460,355,658.10/151,540.18
  6. Step 6: Final answer
    x = 135,016.04

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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.