Home / 154,032.92-231,075.65-68,674.75

Finding the Fourth Proportional to 154,032.92, 231,075.65 and 68,674.75

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Solution

The fourth proportional to 154,032.92, 231,075.65 and 68,674.75 is: 103,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.92 : 231,075.65 = 68,674.75 : x
  2. Step 2: Convert to fraction form
    154,032.92/231,075.65 = 68,674.75/x
  3. Step 3: Cross multiply
    154,032.92x = 231,075.65 × 68,674.75
  4. Step 4: Simplify right side
    154,032.92x = 15,869,060,996.09
  5. Step 5: Solve for x
    x = 15,869,060,996.09/154,032.92
  6. Step 6: Final answer
    x = 103,023.83

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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.