Home / 179,152.44-247,103.91-121,758.08

Finding the Fourth Proportional to 179,152.44, 247,103.91 and 121,758.08

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Solution

The fourth proportional to 179,152.44, 247,103.91 and 121,758.08 is: 167,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,152.44 : 247,103.91 = 121,758.08 : x
  2. Step 2: Convert to fraction form
    179,152.44/247,103.91 = 121,758.08/x
  3. Step 3: Cross multiply
    179,152.44x = 247,103.91 × 121,758.08
  4. Step 4: Simplify right side
    179,152.44x = 30,086,896,406.57
  5. Step 5: Solve for x
    x = 30,086,896,406.57/179,152.44
  6. Step 6: Final answer
    x = 167,940.20

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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.