Home / 261,727.11-361,186.65-154,290.69

Finding the Fourth Proportional to 261,727.11, 361,186.65 and 154,290.69

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Solution

The fourth proportional to 261,727.11, 361,186.65 and 154,290.69 is: 212,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,727.11 : 361,186.65 = 154,290.69 : x
  2. Step 2: Convert to fraction form
    261,727.11/361,186.65 = 154,290.69/x
  3. Step 3: Cross multiply
    261,727.11x = 361,186.65 × 154,290.69
  4. Step 4: Simplify right side
    261,727.11x = 55,727,737,447.29
  5. Step 5: Solve for x
    x = 55,727,737,447.29/261,727.11
  6. Step 6: Final answer
    x = 212,923.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.