Home / 179,016.72-268,525.10-85,238.16

Finding the Fourth Proportional to 179,016.72, 268,525.10 and 85,238.16

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Solution

The fourth proportional to 179,016.72, 268,525.10 and 85,238.16 is: 127,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,016.72 : 268,525.10 = 85,238.16 : x
  2. Step 2: Convert to fraction form
    179,016.72/268,525.10 = 85,238.16/x
  3. Step 3: Cross multiply
    179,016.72x = 268,525.10 × 85,238.16
  4. Step 4: Simplify right side
    179,016.72x = 22,888,585,437.82
  5. Step 5: Solve for x
    x = 22,888,585,437.82/179,016.72
  6. Step 6: Final answer
    x = 127,857.25

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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.