Home / 177,860.16-266,790.24-71,292.42

Finding the Fourth Proportional to 177,860.16, 266,790.24 and 71,292.42

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Solution

The fourth proportional to 177,860.16, 266,790.24 and 71,292.42 is: 106,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,860.16 : 266,790.24 = 71,292.42 : x
  2. Step 2: Convert to fraction form
    177,860.16/266,790.24 = 71,292.42/x
  3. Step 3: Cross multiply
    177,860.16x = 266,790.24 × 71,292.42
  4. Step 4: Simplify right side
    177,860.16x = 19,020,121,841.98
  5. Step 5: Solve for x
    x = 19,020,121,841.98/177,860.16
  6. Step 6: Final answer
    x = 106,938.63

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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.