Home / 171,219.24-236,340.85-99,659.38

Finding the Fourth Proportional to 171,219.24, 236,340.85 and 99,659.38

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Solution

The fourth proportional to 171,219.24, 236,340.85 and 99,659.38 is: 137,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,219.24 : 236,340.85 = 99,659.38 : x
  2. Step 2: Convert to fraction form
    171,219.24/236,340.85 = 99,659.38/x
  3. Step 3: Cross multiply
    171,219.24x = 236,340.85 × 99,659.38
  4. Step 4: Simplify right side
    171,219.24x = 23,553,582,579.67
  5. Step 5: Solve for x
    x = 23,553,582,579.67/171,219.24
  6. Step 6: Final answer
    x = 137,563.88

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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.