Home / 138,213.95-207,104.92-96,176.16

Finding the Fourth Proportional to 138,213.95, 207,104.92 and 96,176.16

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Solution

The fourth proportional to 138,213.95, 207,104.92 and 96,176.16 is: 144,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,213.95 : 207,104.92 = 96,176.16 : x
  2. Step 2: Convert to fraction form
    138,213.95/207,104.92 = 96,176.16/x
  3. Step 3: Cross multiply
    138,213.95x = 207,104.92 × 96,176.16
  4. Step 4: Simplify right side
    138,213.95x = 19,918,555,682.27
  5. Step 5: Solve for x
    x = 19,918,555,682.27/138,213.95
  6. Step 6: Final answer
    x = 144,113.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.