Home / 121,130.96-181,682.59-32,391.38

Finding the Fourth Proportional to 121,130.96, 181,682.59 and 32,391.38

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Solution

The fourth proportional to 121,130.96, 181,682.59 and 32,391.38 is: 48,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,130.96 : 181,682.59 = 32,391.38 : x
  2. Step 2: Convert to fraction form
    121,130.96/181,682.59 = 32,391.38/x
  3. Step 3: Cross multiply
    121,130.96x = 181,682.59 × 32,391.38
  4. Step 4: Simplify right side
    121,130.96x = 5,884,948,903.66
  5. Step 5: Solve for x
    x = 5,884,948,903.66/121,130.96
  6. Step 6: Final answer
    x = 48,583.36

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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.