Home / 194,569.20-291,853.80-54,327.60

Finding the Fourth Proportional to 194,569.20, 291,853.80 and 54,327.60

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Solution

The fourth proportional to 194,569.20, 291,853.80 and 54,327.60 is: 81,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,569.20 : 291,853.80 = 54,327.60 : x
  2. Step 2: Convert to fraction form
    194,569.20/291,853.80 = 54,327.60/x
  3. Step 3: Cross multiply
    194,569.20x = 291,853.80 × 54,327.60
  4. Step 4: Simplify right side
    194,569.20x = 15,855,716,504.88
  5. Step 5: Solve for x
    x = 15,855,716,504.88/194,569.20
  6. Step 6: Final answer
    x = 81,491.40

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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.