Home / 177,912.12-266,955.81-83,148.87

Finding the Fourth Proportional to 177,912.12, 266,955.81 and 83,148.87

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Solution

The fourth proportional to 177,912.12, 266,955.81 and 83,148.87 is: 124,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,912.12 : 266,955.81 = 83,148.87 : x
  2. Step 2: Convert to fraction form
    177,912.12/266,955.81 = 83,148.87/x
  3. Step 3: Cross multiply
    177,912.12x = 266,955.81 × 83,148.87
  4. Step 4: Simplify right side
    177,912.12x = 22,197,072,606.66
  5. Step 5: Solve for x
    x = 22,197,072,606.66/177,912.12
  6. Step 6: Final answer
    x = 124,764.26

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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.