Home / 177,608.28-266,412.44-72,435.48

Finding the Fourth Proportional to 177,608.28, 266,412.44 and 72,435.48

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Solution

The fourth proportional to 177,608.28, 266,412.44 and 72,435.48 is: 108,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,608.28 : 266,412.44 = 72,435.48 : x
  2. Step 2: Convert to fraction form
    177,608.28/266,412.44 = 72,435.48/x
  3. Step 3: Cross multiply
    177,608.28x = 266,412.44 × 72,435.48
  4. Step 4: Simplify right side
    177,608.28x = 19,297,712,969.37
  5. Step 5: Solve for x
    x = 19,297,712,969.37/177,608.28
  6. Step 6: Final answer
    x = 108,653.23

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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.