Home / 172,309.44-237,752.15-100,675.62

Finding the Fourth Proportional to 172,309.44, 237,752.15 and 100,675.62

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Solution

The fourth proportional to 172,309.44, 237,752.15 and 100,675.62 is: 138,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,309.44 : 237,752.15 = 100,675.62 : x
  2. Step 2: Convert to fraction form
    172,309.44/237,752.15 = 100,675.62/x
  3. Step 3: Cross multiply
    172,309.44x = 237,752.15 × 100,675.62
  4. Step 4: Simplify right side
    172,309.44x = 23,935,844,604.20
  5. Step 5: Solve for x
    x = 23,935,844,604.20/172,309.44
  6. Step 6: Final answer
    x = 138,911.97

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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.