Home / 172,230.25-237,678.96-96,778.75

Finding the Fourth Proportional to 172,230.25, 237,678.96 and 96,778.75

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Solution

The fourth proportional to 172,230.25, 237,678.96 and 96,778.75 is: 133,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,230.25 : 237,678.96 = 96,778.75 : x
  2. Step 2: Convert to fraction form
    172,230.25/237,678.96 = 96,778.75/x
  3. Step 3: Cross multiply
    172,230.25x = 237,678.96 × 96,778.75
  4. Step 4: Simplify right side
    172,230.25x = 23,002,272,650.10
  5. Step 5: Solve for x
    x = 23,002,272,650.10/172,230.25
  6. Step 6: Final answer
    x = 133,555.36

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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.