Home / 119,301.30-164,636.13-68,314.80

Finding the Fourth Proportional to 119,301.30, 164,636.13 and 68,314.80

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Solution

The fourth proportional to 119,301.30, 164,636.13 and 68,314.80 is: 94,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,301.30 : 164,636.13 = 68,314.80 : x
  2. Step 2: Convert to fraction form
    119,301.30/164,636.13 = 68,314.80/x
  3. Step 3: Cross multiply
    119,301.30x = 164,636.13 × 68,314.80
  4. Step 4: Simplify right side
    119,301.30x = 11,247,084,293.72
  5. Step 5: Solve for x
    x = 11,247,084,293.72/119,301.30
  6. Step 6: Final answer
    x = 94,274.62

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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.