Home / 191,939.22-264,876.42-107,061.72

Finding the Fourth Proportional to 191,939.22, 264,876.42 and 107,061.72

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Solution

The fourth proportional to 191,939.22, 264,876.42 and 107,061.72 is: 147,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,939.22 : 264,876.42 = 107,061.72 : x
  2. Step 2: Convert to fraction form
    191,939.22/264,876.42 = 107,061.72/x
  3. Step 3: Cross multiply
    191,939.22x = 264,876.42 × 107,061.72
  4. Step 4: Simplify right side
    191,939.22x = 28,358,125,112.64
  5. Step 5: Solve for x
    x = 28,358,125,112.64/191,939.22
  6. Step 6: Final answer
    x = 147,745.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.