Home / 144,632.27-199,568.77-90,879.22

Finding the Fourth Proportional to 144,632.27, 199,568.77 and 90,879.22

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Solution

The fourth proportional to 144,632.27, 199,568.77 and 90,879.22 is: 125,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,632.27 : 199,568.77 = 90,879.22 : x
  2. Step 2: Convert to fraction form
    144,632.27/199,568.77 = 90,879.22/x
  3. Step 3: Cross multiply
    144,632.27x = 199,568.77 × 90,879.22
  4. Step 4: Simplify right side
    144,632.27x = 18,136,654,153.96
  5. Step 5: Solve for x
    x = 18,136,654,153.96/144,632.27
  6. Step 6: Final answer
    x = 125,398.39

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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.