Home / 115,418.18-173,193.03-92,192.24

Finding the Fourth Proportional to 115,418.18, 173,193.03 and 92,192.24

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Solution

The fourth proportional to 115,418.18, 173,193.03 and 92,192.24 is: 138,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418.18 : 173,193.03 = 92,192.24 : x
  2. Step 2: Convert to fraction form
    115,418.18/173,193.03 = 92,192.24/x
  3. Step 3: Cross multiply
    115,418.18x = 173,193.03 × 92,192.24
  4. Step 4: Simplify right side
    115,418.18x = 15,967,053,821.07
  5. Step 5: Solve for x
    x = 15,967,053,821.07/115,418.18
  6. Step 6: Final answer
    x = 138,340.89

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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.