Home / 231,109.62-346,716.28-77,247.16

Finding the Fourth Proportional to 231,109.62, 346,716.28 and 77,247.16

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Solution

The fourth proportional to 231,109.62, 346,716.28 and 77,247.16 is: 115,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,109.62 : 346,716.28 = 77,247.16 : x
  2. Step 2: Convert to fraction form
    231,109.62/346,716.28 = 77,247.16/x
  3. Step 3: Cross multiply
    231,109.62x = 346,716.28 × 77,247.16
  4. Step 4: Simplify right side
    231,109.62x = 26,782,847,955.76
  5. Step 5: Solve for x
    x = 26,782,847,955.76/231,109.62
  6. Step 6: Final answer
    x = 115,888.07

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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.