Home / 207,510.33-311,545.34-132,776.36

Finding the Fourth Proportional to 207,510.33, 311,545.34 and 132,776.36

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Solution

The fourth proportional to 207,510.33, 311,545.34 and 132,776.36 is: 199,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,510.33 : 311,545.34 = 132,776.36 : x
  2. Step 2: Convert to fraction form
    207,510.33/311,545.34 = 132,776.36/x
  3. Step 3: Cross multiply
    207,510.33x = 311,545.34 × 132,776.36
  4. Step 4: Simplify right side
    207,510.33x = 41,365,853,998.55
  5. Step 5: Solve for x
    x = 41,365,853,998.55/207,510.33
  6. Step 6: Final answer
    x = 199,343.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.