Home / 115,180.24-158,942.60-64,876.08

Finding the Fourth Proportional to 115,180.24, 158,942.60 and 64,876.08

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Solution

The fourth proportional to 115,180.24, 158,942.60 and 64,876.08 is: 89,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,180.24 : 158,942.60 = 64,876.08 : x
  2. Step 2: Convert to fraction form
    115,180.24/158,942.60 = 64,876.08/x
  3. Step 3: Cross multiply
    115,180.24x = 158,942.60 × 64,876.08
  4. Step 4: Simplify right side
    115,180.24x = 10,311,572,833.01
  5. Step 5: Solve for x
    x = 10,311,572,833.01/115,180.24
  6. Step 6: Final answer
    x = 89,525.54

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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.