Home / 179,525.48-269,338.03-78,332.38

Finding the Fourth Proportional to 179,525.48, 269,338.03 and 78,332.38

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Solution

The fourth proportional to 179,525.48, 269,338.03 and 78,332.38 is: 117,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,525.48 : 269,338.03 = 78,332.38 : x
  2. Step 2: Convert to fraction form
    179,525.48/269,338.03 = 78,332.38/x
  3. Step 3: Cross multiply
    179,525.48x = 269,338.03 × 78,332.38
  4. Step 4: Simplify right side
    179,525.48x = 21,097,888,045.24
  5. Step 5: Solve for x
    x = 21,097,888,045.24/179,525.48
  6. Step 6: Final answer
    x = 117,520.30

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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.