Home / 121,131.20-181,682.96-32,391.63

Finding the Fourth Proportional to 121,131.20, 181,682.96 and 32,391.63

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Solution

The fourth proportional to 121,131.20, 181,682.96 and 32,391.63 is: 48,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,131.20 : 181,682.96 = 32,391.63 : x
  2. Step 2: Convert to fraction form
    121,131.20/181,682.96 = 32,391.63/x
  3. Step 3: Cross multiply
    121,131.20x = 181,682.96 × 32,391.63
  4. Step 4: Simplify right side
    121,131.20x = 5,885,007,298.60
  5. Step 5: Solve for x
    x = 5,885,007,298.60/121,131.20
  6. Step 6: Final answer
    x = 48,583.74

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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.