Home / 194,196.92-291,408.66-81,870.32

Finding the Fourth Proportional to 194,196.92, 291,408.66 and 81,870.32

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Solution

The fourth proportional to 194,196.92, 291,408.66 and 81,870.32 is: 122,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,196.92 : 291,408.66 = 81,870.32 : x
  2. Step 2: Convert to fraction form
    194,196.92/291,408.66 = 81,870.32/x
  3. Step 3: Cross multiply
    194,196.92x = 291,408.66 × 81,870.32
  4. Step 4: Simplify right side
    194,196.92x = 23,857,720,244.97
  5. Step 5: Solve for x
    x = 23,857,720,244.97/194,196.92
  6. Step 6: Final answer
    x = 122,853.24

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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.