Home / 120,867.63-181,250.19-57,614.58

Finding the Fourth Proportional to 120,867.63, 181,250.19 and 57,614.58

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Solution

The fourth proportional to 120,867.63, 181,250.19 and 57,614.58 is: 86,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,867.63 : 181,250.19 = 57,614.58 : x
  2. Step 2: Convert to fraction form
    120,867.63/181,250.19 = 57,614.58/x
  3. Step 3: Cross multiply
    120,867.63x = 181,250.19 × 57,614.58
  4. Step 4: Simplify right side
    120,867.63x = 10,442,653,571.77
  5. Step 5: Solve for x
    x = 10,442,653,571.77/120,867.63
  6. Step 6: Final answer
    x = 86,397.44

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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.