Home / 194,166.60-291,131.10-75,701.40

Finding the Fourth Proportional to 194,166.60, 291,131.10 and 75,701.40

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Solution

The fourth proportional to 194,166.60, 291,131.10 and 75,701.40 is: 113,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,166.60 : 291,131.10 = 75,701.40 : x
  2. Step 2: Convert to fraction form
    194,166.60/291,131.10 = 75,701.40/x
  3. Step 3: Cross multiply
    194,166.60x = 291,131.10 × 75,701.40
  4. Step 4: Simplify right side
    194,166.60x = 22,039,031,853.54
  5. Step 5: Solve for x
    x = 22,039,031,853.54/194,166.60
  6. Step 6: Final answer
    x = 113,505.78

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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.