Home / 115,986.30-173,979.45-110,543.10

Finding the Fourth Proportional to 115,986.30, 173,979.45 and 110,543.10

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Solution

The fourth proportional to 115,986.30, 173,979.45 and 110,543.10 is: 165,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,986.30 : 173,979.45 = 110,543.10 : x
  2. Step 2: Convert to fraction form
    115,986.30/173,979.45 = 110,543.10/x
  3. Step 3: Cross multiply
    115,986.30x = 173,979.45 × 110,543.10
  4. Step 4: Simplify right side
    115,986.30x = 19,232,227,739.30
  5. Step 5: Solve for x
    x = 19,232,227,739.30/115,986.30
  6. Step 6: Final answer
    x = 165,814.65

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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.