Home / 194,214.85-291,020.11-74,206.36

Finding the Fourth Proportional to 194,214.85, 291,020.11 and 74,206.36

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Solution

The fourth proportional to 194,214.85, 291,020.11 and 74,206.36 is: 111,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,214.85 : 291,020.11 = 74,206.36 : x
  2. Step 2: Convert to fraction form
    194,214.85/291,020.11 = 74,206.36/x
  3. Step 3: Cross multiply
    194,214.85x = 291,020.11 × 74,206.36
  4. Step 4: Simplify right side
    194,214.85x = 21,595,543,228.16
  5. Step 5: Solve for x
    x = 21,595,543,228.16/194,214.85
  6. Step 6: Final answer
    x = 111,194.09

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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.