Home / 171,098.30-236,174.46-99,500.78

Finding the Fourth Proportional to 171,098.30, 236,174.46 and 99,500.78

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Solution

The fourth proportional to 171,098.30, 236,174.46 and 99,500.78 is: 137,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,098.30 : 236,174.46 = 99,500.78 : x
  2. Step 2: Convert to fraction form
    171,098.30/236,174.46 = 99,500.78/x
  3. Step 3: Cross multiply
    171,098.30x = 236,174.46 × 99,500.78
  4. Step 4: Simplify right side
    171,098.30x = 23,499,542,986.08
  5. Step 5: Solve for x
    x = 23,499,542,986.08/171,098.30
  6. Step 6: Final answer
    x = 137,345.27

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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.