Home / 100,722.08-151,084.87-34,163.93

Finding the Fourth Proportional to 100,722.08, 151,084.87 and 34,163.93

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Solution

The fourth proportional to 100,722.08, 151,084.87 and 34,163.93 is: 51,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,722.08 : 151,084.87 = 34,163.93 : x
  2. Step 2: Convert to fraction form
    100,722.08/151,084.87 = 34,163.93/x
  3. Step 3: Cross multiply
    100,722.08x = 151,084.87 × 34,163.93
  4. Step 4: Simplify right side
    100,722.08x = 5,161,653,215.04
  5. Step 5: Solve for x
    x = 5,161,653,215.04/100,722.08
  6. Step 6: Final answer
    x = 51,246.49

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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.