Home / 191,702.87-264,544.06-120,122.36

Finding the Fourth Proportional to 191,702.87, 264,544.06 and 120,122.36

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Solution

The fourth proportional to 191,702.87, 264,544.06 and 120,122.36 is: 165,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,702.87 : 264,544.06 = 120,122.36 : x
  2. Step 2: Convert to fraction form
    191,702.87/264,544.06 = 120,122.36/x
  3. Step 3: Cross multiply
    191,702.87x = 264,544.06 × 120,122.36
  4. Step 4: Simplify right side
    191,702.87x = 31,777,654,887.85
  5. Step 5: Solve for x
    x = 31,777,654,887.85/191,702.87
  6. Step 6: Final answer
    x = 165,765.15

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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.