Home / 168,156.90-232,049.61-107,642.34

Finding the Fourth Proportional to 168,156.90, 232,049.61 and 107,642.34

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Solution

The fourth proportional to 168,156.90, 232,049.61 and 107,642.34 is: 148,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156.90 : 232,049.61 = 107,642.34 : x
  2. Step 2: Convert to fraction form
    168,156.90/232,049.61 = 107,642.34/x
  3. Step 3: Cross multiply
    168,156.90x = 232,049.61 × 107,642.34
  4. Step 4: Simplify right side
    168,156.90x = 24,978,363,016.49
  5. Step 5: Solve for x
    x = 24,978,363,016.49/168,156.90
  6. Step 6: Final answer
    x = 148,542.00

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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.