Home / 134,934.41-202,389.87-54,980.80

Finding the Fourth Proportional to 134,934.41, 202,389.87 and 54,980.80

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Solution

The fourth proportional to 134,934.41, 202,389.87 and 54,980.80 is: 82,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,934.41 : 202,389.87 = 54,980.80 : x
  2. Step 2: Convert to fraction form
    134,934.41/202,389.87 = 54,980.80/x
  3. Step 3: Cross multiply
    134,934.41x = 202,389.87 × 54,980.80
  4. Step 4: Simplify right side
    134,934.41x = 11,127,557,623.85
  5. Step 5: Solve for x
    x = 11,127,557,623.85/134,934.41
  6. Step 6: Final answer
    x = 82,466.42

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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.