Home / 194,200.38-291,313.74-66,064.50

Finding the Fourth Proportional to 194,200.38, 291,313.74 and 66,064.50

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Solution

The fourth proportional to 194,200.38, 291,313.74 and 66,064.50 is: 99,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,200.38 : 291,313.74 = 66,064.50 : x
  2. Step 2: Convert to fraction form
    194,200.38/291,313.74 = 66,064.50/x
  3. Step 3: Cross multiply
    194,200.38x = 291,313.74 × 66,064.50
  4. Step 4: Simplify right side
    194,200.38x = 19,245,496,576.23
  5. Step 5: Solve for x
    x = 19,245,496,576.23/194,200.38
  6. Step 6: Final answer
    x = 99,101.23

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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.