Home / 194,928.80-292,393.20-54,711.20

Finding the Fourth Proportional to 194,928.80, 292,393.20 and 54,711.20

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Solution

The fourth proportional to 194,928.80, 292,393.20 and 54,711.20 is: 82,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,928.80 : 292,393.20 = 54,711.20 : x
  2. Step 2: Convert to fraction form
    194,928.80/292,393.20 = 54,711.20/x
  3. Step 3: Cross multiply
    194,928.80x = 292,393.20 × 54,711.20
  4. Step 4: Simplify right side
    194,928.80x = 15,997,182,843.84
  5. Step 5: Solve for x
    x = 15,997,182,843.84/194,928.80
  6. Step 6: Final answer
    x = 82,066.80

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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.