Home / 127,208.76-175,551.26-69,853.74

Finding the Fourth Proportional to 127,208.76, 175,551.26 and 69,853.74

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Solution

The fourth proportional to 127,208.76, 175,551.26 and 69,853.74 is: 96,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,208.76 : 175,551.26 = 69,853.74 : x
  2. Step 2: Convert to fraction form
    127,208.76/175,551.26 = 69,853.74/x
  3. Step 3: Cross multiply
    127,208.76x = 175,551.26 × 69,853.74
  4. Step 4: Simplify right side
    127,208.76x = 12,262,911,723.44
  5. Step 5: Solve for x
    x = 12,262,911,723.44/127,208.76
  6. Step 6: Final answer
    x = 96,399.90

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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.