Home / 97,198.20-134,117.28-54,168.29

Finding the Fourth Proportional to 97,198.20, 134,117.28 and 54,168.29

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Solution

The fourth proportional to 97,198.20, 134,117.28 and 54,168.29 is: 74,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,198.20 : 134,117.28 = 54,168.29 : x
  2. Step 2: Convert to fraction form
    97,198.20/134,117.28 = 54,168.29/x
  3. Step 3: Cross multiply
    97,198.20x = 134,117.28 × 54,168.29
  4. Step 4: Simplify right side
    97,198.20x = 7,264,903,717.05
  5. Step 5: Solve for x
    x = 7,264,903,717.05/97,198.20
  6. Step 6: Final answer
    x = 74,743.19

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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.