Home / 154,998.04-231,966.20-107,666.50

Finding the Fourth Proportional to 154,998.04, 231,966.20 and 107,666.50

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Solution

The fourth proportional to 154,998.04, 231,966.20 and 107,666.50 is: 161,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,998.04 : 231,966.20 = 107,666.50 : x
  2. Step 2: Convert to fraction form
    154,998.04/231,966.20 = 107,666.50/x
  3. Step 3: Cross multiply
    154,998.04x = 231,966.20 × 107,666.50
  4. Step 4: Simplify right side
    154,998.04x = 24,974,988,872.30
  5. Step 5: Solve for x
    x = 24,974,988,872.30/154,998.04
  6. Step 6: Final answer
    x = 161,131.00

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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.