Home / 151,728.24-209,335.04-98,044.88

Finding the Fourth Proportional to 151,728.24, 209,335.04 and 98,044.88

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Solution

The fourth proportional to 151,728.24, 209,335.04 and 98,044.88 is: 135,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,728.24 : 209,335.04 = 98,044.88 : x
  2. Step 2: Convert to fraction form
    151,728.24/209,335.04 = 98,044.88/x
  3. Step 3: Cross multiply
    151,728.24x = 209,335.04 × 98,044.88
  4. Step 4: Simplify right side
    151,728.24x = 20,524,228,876.60
  5. Step 5: Solve for x
    x = 20,524,228,876.60/151,728.24
  6. Step 6: Final answer
    x = 135,269.67

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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.