Home / 283,545.99-391,309.79-162,686.16

Finding the Fourth Proportional to 283,545.99, 391,309.79 and 162,686.16

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Solution

The fourth proportional to 283,545.99, 391,309.79 and 162,686.16 is: 224,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,545.99 : 391,309.79 = 162,686.16 : x
  2. Step 2: Convert to fraction form
    283,545.99/391,309.79 = 162,686.16/x
  3. Step 3: Cross multiply
    283,545.99x = 391,309.79 × 162,686.16
  4. Step 4: Simplify right side
    283,545.99x = 63,660,687,105.51
  5. Step 5: Solve for x
    x = 63,660,687,105.51/283,545.99
  6. Step 6: Final answer
    x = 224,516.27

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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.