Home / 194,918.80-292,378.20-54,701.20

Finding the Fourth Proportional to 194,918.80, 292,378.20 and 54,701.20

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Solution

The fourth proportional to 194,918.80, 292,378.20 and 54,701.20 is: 82,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,918.80 : 292,378.20 = 54,701.20 : x
  2. Step 2: Convert to fraction form
    194,918.80/292,378.20 = 54,701.20/x
  3. Step 3: Cross multiply
    194,918.80x = 292,378.20 × 54,701.20
  4. Step 4: Simplify right side
    194,918.80x = 15,993,438,393.84
  5. Step 5: Solve for x
    x = 15,993,438,393.84/194,918.80
  6. Step 6: Final answer
    x = 82,051.80

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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.