Home / 177,629-266,485.38-57,685.56

Finding the Fourth Proportional to 177,629, 266,485.38 and 57,685.56

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Solution

The fourth proportional to 177,629, 266,485.38 and 57,685.56 is: 86,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,629 : 266,485.38 = 57,685.56 : x
  2. Step 2: Convert to fraction form
    177,629/266,485.38 = 57,685.56/x
  3. Step 3: Cross multiply
    177,629x = 266,485.38 × 57,685.56
  4. Step 4: Simplify right side
    177,629x = 15,372,358,377.11
  5. Step 5: Solve for x
    x = 15,372,358,377.11/177,629
  6. Step 6: Final answer
    x = 86,541.94

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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.