Home / 177,647.78-266,513.50-57,704.36

Finding the Fourth Proportional to 177,647.78, 266,513.50 and 57,704.36

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Solution

The fourth proportional to 177,647.78, 266,513.50 and 57,704.36 is: 86,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,647.78 : 266,513.50 = 57,704.36 : x
  2. Step 2: Convert to fraction form
    177,647.78/266,513.50 = 57,704.36/x
  3. Step 3: Cross multiply
    177,647.78x = 266,513.50 × 57,704.36
  4. Step 4: Simplify right side
    177,647.78x = 15,378,990,275.70
  5. Step 5: Solve for x
    x = 15,378,990,275.70/177,647.78
  6. Step 6: Final answer
    x = 86,570.12

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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.