Home / 175,727.85-242,522.33-126,709.79

Finding the Fourth Proportional to 175,727.85, 242,522.33 and 126,709.79

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Solution

The fourth proportional to 175,727.85, 242,522.33 and 126,709.79 is: 174,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,727.85 : 242,522.33 = 126,709.79 : x
  2. Step 2: Convert to fraction form
    175,727.85/242,522.33 = 126,709.79/x
  3. Step 3: Cross multiply
    175,727.85x = 242,522.33 × 126,709.79
  4. Step 4: Simplify right side
    175,727.85x = 30,729,953,504.61
  5. Step 5: Solve for x
    x = 30,729,953,504.61/175,727.85
  6. Step 6: Final answer
    x = 174,872.41

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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.