Home / 215,036.22-322,721.19-148,939.41

Finding the Fourth Proportional to 215,036.22, 322,721.19 and 148,939.41

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Solution

The fourth proportional to 215,036.22, 322,721.19 and 148,939.41 is: 223,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,036.22 : 322,721.19 = 148,939.41 : x
  2. Step 2: Convert to fraction form
    215,036.22/322,721.19 = 148,939.41/x
  3. Step 3: Cross multiply
    215,036.22x = 322,721.19 × 148,939.41
  4. Step 4: Simplify right side
    215,036.22x = 48,065,903,633.10
  5. Step 5: Solve for x
    x = 48,065,903,633.10/215,036.22
  6. Step 6: Final answer
    x = 223,524.69

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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.