Home / 140,002.08-193,198.71-79,579.32

Finding the Fourth Proportional to 140,002.08, 193,198.71 and 79,579.32

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Solution

The fourth proportional to 140,002.08, 193,198.71 and 79,579.32 is: 109,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,002.08 : 193,198.71 = 79,579.32 : x
  2. Step 2: Convert to fraction form
    140,002.08/193,198.71 = 79,579.32/x
  3. Step 3: Cross multiply
    140,002.08x = 193,198.71 × 79,579.32
  4. Step 4: Simplify right side
    140,002.08x = 15,374,621,966.68
  5. Step 5: Solve for x
    x = 15,374,621,966.68/140,002.08
  6. Step 6: Final answer
    x = 109,817.10

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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.