Home / 123,722.28-185,546.40-64,525.65

Finding the Fourth Proportional to 123,722.28, 185,546.40 and 64,525.65

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Solution

The fourth proportional to 123,722.28, 185,546.40 and 64,525.65 is: 96,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722.28 : 185,546.40 = 64,525.65 : x
  2. Step 2: Convert to fraction form
    123,722.28/185,546.40 = 64,525.65/x
  3. Step 3: Cross multiply
    123,722.28x = 185,546.40 × 64,525.65
  4. Step 4: Simplify right side
    123,722.28x = 11,972,502,065.16
  5. Step 5: Solve for x
    x = 11,972,502,065.16/123,722.28
  6. Step 6: Final answer
    x = 96,769.17

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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.