Home / 154,282.47-231,340.49-69,996.64

Finding the Fourth Proportional to 154,282.47, 231,340.49 and 69,996.64

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Solution

The fourth proportional to 154,282.47, 231,340.49 and 69,996.64 is: 104,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,282.47 : 231,340.49 = 69,996.64 : x
  2. Step 2: Convert to fraction form
    154,282.47/231,340.49 = 69,996.64/x
  3. Step 3: Cross multiply
    154,282.47x = 231,340.49 × 69,996.64
  4. Step 4: Simplify right side
    154,282.47x = 16,193,056,995.95
  5. Step 5: Solve for x
    x = 16,193,056,995.95/154,282.47
  6. Step 6: Final answer
    x = 104,957.21

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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.