Home / 179,545.23-247,789.87-134,144.39

Finding the Fourth Proportional to 179,545.23, 247,789.87 and 134,144.39

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Solution

The fourth proportional to 179,545.23, 247,789.87 and 134,144.39 is: 185,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,545.23 : 247,789.87 = 134,144.39 : x
  2. Step 2: Convert to fraction form
    179,545.23/247,789.87 = 134,144.39/x
  3. Step 3: Cross multiply
    179,545.23x = 247,789.87 × 134,144.39
  4. Step 4: Simplify right side
    179,545.23x = 33,239,621,243.44
  5. Step 5: Solve for x
    x = 33,239,621,243.44/179,545.23
  6. Step 6: Final answer
    x = 185,132.30

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1.5x scale

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.