Home / 170,087.10-234,761.67-103,040.70

Finding the Fourth Proportional to 170,087.10, 234,761.67 and 103,040.70

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Solution

The fourth proportional to 170,087.10, 234,761.67 and 103,040.70 is: 142,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,087.10 : 234,761.67 = 103,040.70 : x
  2. Step 2: Convert to fraction form
    170,087.10/234,761.67 = 103,040.70/x
  3. Step 3: Cross multiply
    170,087.10x = 234,761.67 × 103,040.70
  4. Step 4: Simplify right side
    170,087.10x = 24,190,006,809.97
  5. Step 5: Solve for x
    x = 24,190,006,809.97/170,087.10
  6. Step 6: Final answer
    x = 142,221.29

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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.