Home / 170,235.09-234,915.92-93,760.79

Finding the Fourth Proportional to 170,235.09, 234,915.92 and 93,760.79

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Solution

The fourth proportional to 170,235.09, 234,915.92 and 93,760.79 is: 129,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,235.09 : 234,915.92 = 93,760.79 : x
  2. Step 2: Convert to fraction form
    170,235.09/234,915.92 = 93,760.79/x
  3. Step 3: Cross multiply
    170,235.09x = 234,915.92 × 93,760.79
  4. Step 4: Simplify right side
    170,235.09x = 22,025,902,361.26
  5. Step 5: Solve for x
    x = 22,025,902,361.26/170,235.09
  6. Step 6: Final answer
    x = 129,385.21

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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.