Home / 149,616.18-206,442.12-89,192.46

Finding the Fourth Proportional to 149,616.18, 206,442.12 and 89,192.46

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Solution

The fourth proportional to 149,616.18, 206,442.12 and 89,192.46 is: 123,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,616.18 : 206,442.12 = 89,192.46 : x
  2. Step 2: Convert to fraction form
    149,616.18/206,442.12 = 89,192.46/x
  3. Step 3: Cross multiply
    149,616.18x = 206,442.12 × 89,192.46
  4. Step 4: Simplify right side
    149,616.18x = 18,413,080,530.42
  5. Step 5: Solve for x
    x = 18,413,080,530.42/149,616.18
  6. Step 6: Final answer
    x = 123,068.78

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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.