Home / 154,032.25-231,074.65-68,674.08

Finding the Fourth Proportional to 154,032.25, 231,074.65 and 68,674.08

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Solution

The fourth proportional to 154,032.25, 231,074.65 and 68,674.08 is: 103,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.25 : 231,074.65 = 68,674.08 : x
  2. Step 2: Convert to fraction form
    154,032.25/231,074.65 = 68,674.08/x
  3. Step 3: Cross multiply
    154,032.25x = 231,074.65 × 68,674.08
  4. Step 4: Simplify right side
    154,032.25x = 15,868,838,828.39
  5. Step 5: Solve for x
    x = 15,868,838,828.39/154,032.25
  6. Step 6: Final answer
    x = 103,022.83

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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.