Home / 181,635.33-272,441.91-67,761.21

Finding the Fourth Proportional to 181,635.33, 272,441.91 and 67,761.21

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Solution

The fourth proportional to 181,635.33, 272,441.91 and 67,761.21 is: 101,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,635.33 : 272,441.91 = 67,761.21 : x
  2. Step 2: Convert to fraction form
    181,635.33/272,441.91 = 67,761.21/x
  3. Step 3: Cross multiply
    181,635.33x = 272,441.91 × 67,761.21
  4. Step 4: Simplify right side
    181,635.33x = 18,460,993,476.31
  5. Step 5: Solve for x
    x = 18,460,993,476.31/181,635.33
  6. Step 6: Final answer
    x = 101,637.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.