Home / 228,542.24-315,389.16-126,565.47

Finding the Fourth Proportional to 228,542.24, 315,389.16 and 126,565.47

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Solution

The fourth proportional to 228,542.24, 315,389.16 and 126,565.47 is: 174,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,542.24 : 315,389.16 = 126,565.47 : x
  2. Step 2: Convert to fraction form
    228,542.24/315,389.16 = 126,565.47/x
  3. Step 3: Cross multiply
    228,542.24x = 315,389.16 × 126,565.47
  4. Step 4: Simplify right side
    228,542.24x = 39,917,377,268.31
  5. Step 5: Solve for x
    x = 39,917,377,268.31/228,542.24
  6. Step 6: Final answer
    x = 174,660.83

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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.