Home / 172,600.20-238,163.49-100,966.68

Finding the Fourth Proportional to 172,600.20, 238,163.49 and 100,966.68

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Solution

The fourth proportional to 172,600.20, 238,163.49 and 100,966.68 is: 139,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,600.20 : 238,163.49 = 100,966.68 : x
  2. Step 2: Convert to fraction form
    172,600.20/238,163.49 = 100,966.68/x
  3. Step 3: Cross multiply
    172,600.20x = 238,163.49 × 100,966.68
  4. Step 4: Simplify right side
    172,600.20x = 24,046,576,882.51
  5. Step 5: Solve for x
    x = 24,046,576,882.51/172,600.20
  6. Step 6: Final answer
    x = 139,319.52

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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.