Home / 192,325.10-288,540.98-80,058.20

Finding the Fourth Proportional to 192,325.10, 288,540.98 and 80,058.20

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Solution

The fourth proportional to 192,325.10, 288,540.98 and 80,058.20 is: 120,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,325.10 : 288,540.98 = 80,058.20 : x
  2. Step 2: Convert to fraction form
    192,325.10/288,540.98 = 80,058.20/x
  3. Step 3: Cross multiply
    192,325.10x = 288,540.98 × 80,058.20
  4. Step 4: Simplify right side
    192,325.10x = 23,100,071,084.75
  5. Step 5: Solve for x
    x = 23,100,071,084.75/192,325.10
  6. Step 6: Final answer
    x = 120,109.50

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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.