Home / 175,726.59-242,520.60-126,708.54

Finding the Fourth Proportional to 175,726.59, 242,520.60 and 126,708.54

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Solution

The fourth proportional to 175,726.59, 242,520.60 and 126,708.54 is: 174,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,726.59 : 242,520.60 = 126,708.54 : x
  2. Step 2: Convert to fraction form
    175,726.59/242,520.60 = 126,708.54/x
  3. Step 3: Cross multiply
    175,726.59x = 242,520.60 × 126,708.54
  4. Step 4: Simplify right side
    175,726.59x = 30,729,431,145.92
  5. Step 5: Solve for x
    x = 30,729,431,145.92/175,726.59
  6. Step 6: Final answer
    x = 174,870.70

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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.