Home / 330,134.87-455,588.03-194,174.57

Finding the Fourth Proportional to 330,134.87, 455,588.03 and 194,174.57

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Solution

The fourth proportional to 330,134.87, 455,588.03 and 194,174.57 is: 267,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,134.87 : 455,588.03 = 194,174.57 : x
  2. Step 2: Convert to fraction form
    330,134.87/455,588.03 = 194,174.57/x
  3. Step 3: Cross multiply
    330,134.87x = 455,588.03 × 194,174.57
  4. Step 4: Simplify right side
    330,134.87x = 88,463,609,822.40
  5. Step 5: Solve for x
    x = 88,463,609,822.40/330,134.87
  6. Step 6: Final answer
    x = 267,962.03

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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.