Home / 170,330.75-234,939.49-98,711.97

Finding the Fourth Proportional to 170,330.75, 234,939.49 and 98,711.97

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Solution

The fourth proportional to 170,330.75, 234,939.49 and 98,711.97 is: 136,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,330.75 : 234,939.49 = 98,711.97 : x
  2. Step 2: Convert to fraction form
    170,330.75/234,939.49 = 98,711.97/x
  3. Step 3: Cross multiply
    170,330.75x = 234,939.49 × 98,711.97
  4. Step 4: Simplify right side
    170,330.75x = 23,191,338,760.89
  5. Step 5: Solve for x
    x = 23,191,338,760.89/170,330.75
  6. Step 6: Final answer
    x = 136,154.74

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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.