Home / 179,693.40-269,540.10-123,706.20

Finding the Fourth Proportional to 179,693.40, 269,540.10 and 123,706.20

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Solution

The fourth proportional to 179,693.40, 269,540.10 and 123,706.20 is: 185,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,693.40 : 269,540.10 = 123,706.20 : x
  2. Step 2: Convert to fraction form
    179,693.40/269,540.10 = 123,706.20/x
  3. Step 3: Cross multiply
    179,693.40x = 269,540.10 × 123,706.20
  4. Step 4: Simplify right side
    179,693.40x = 33,343,781,518.62
  5. Step 5: Solve for x
    x = 33,343,781,518.62/179,693.40
  6. Step 6: Final answer
    x = 185,559.30

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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.