Home / 120,991.38-181,487.34-36,752.22

Finding the Fourth Proportional to 120,991.38, 181,487.34 and 36,752.22

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Solution

The fourth proportional to 120,991.38, 181,487.34 and 36,752.22 is: 55,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,991.38 : 181,487.34 = 36,752.22 : x
  2. Step 2: Convert to fraction form
    120,991.38/181,487.34 = 36,752.22/x
  3. Step 3: Cross multiply
    120,991.38x = 181,487.34 × 36,752.22
  4. Step 4: Simplify right side
    120,991.38x = 6,670,062,646.89
  5. Step 5: Solve for x
    x = 6,670,062,646.89/120,991.38
  6. Step 6: Final answer
    x = 55,128.41

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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.