Home / 161,517.18-240,618.28-154,230.64

Finding the Fourth Proportional to 161,517.18, 240,618.28 and 154,230.64

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Solution

The fourth proportional to 161,517.18, 240,618.28 and 154,230.64 is: 229,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,517.18 : 240,618.28 = 154,230.64 : x
  2. Step 2: Convert to fraction form
    161,517.18/240,618.28 = 154,230.64/x
  3. Step 3: Cross multiply
    161,517.18x = 240,618.28 × 154,230.64
  4. Step 4: Simplify right side
    161,517.18x = 37,110,709,731.43
  5. Step 5: Solve for x
    x = 37,110,709,731.43/161,517.18
  6. Step 6: Final answer
    x = 229,763.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.