Home / 231,084.08-318,881.04-134,279.36

Finding the Fourth Proportional to 231,084.08, 318,881.04 and 134,279.36

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Solution

The fourth proportional to 231,084.08, 318,881.04 and 134,279.36 is: 185,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,084.08 : 318,881.04 = 134,279.36 : x
  2. Step 2: Convert to fraction form
    231,084.08/318,881.04 = 134,279.36/x
  3. Step 3: Cross multiply
    231,084.08x = 318,881.04 × 134,279.36
  4. Step 4: Simplify right side
    231,084.08x = 42,819,141,967.33
  5. Step 5: Solve for x
    x = 42,819,141,967.33/231,084.08
  6. Step 6: Final answer
    x = 185,296.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.