Home / 115,161.08-158,927.19-64,173.88

Finding the Fourth Proportional to 115,161.08, 158,927.19 and 64,173.88

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Solution

The fourth proportional to 115,161.08, 158,927.19 and 64,173.88 is: 88,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,161.08 : 158,927.19 = 64,173.88 : x
  2. Step 2: Convert to fraction form
    115,161.08/158,927.19 = 64,173.88/x
  3. Step 3: Cross multiply
    115,161.08x = 158,927.19 × 64,173.88
  4. Step 4: Simplify right side
    115,161.08x = 10,198,973,781.83
  5. Step 5: Solve for x
    x = 10,198,973,781.83/115,161.08
  6. Step 6: Final answer
    x = 88,562.68

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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.