Home / 177,617.49-266,246.69-76,481.51

Finding the Fourth Proportional to 177,617.49, 266,246.69 and 76,481.51

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Solution

The fourth proportional to 177,617.49, 266,246.69 and 76,481.51 is: 114,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,617.49 : 266,246.69 = 76,481.51 : x
  2. Step 2: Convert to fraction form
    177,617.49/266,246.69 = 76,481.51/x
  3. Step 3: Cross multiply
    177,617.49x = 266,246.69 × 76,481.51
  4. Step 4: Simplify right side
    177,617.49x = 20,362,947,170.06
  5. Step 5: Solve for x
    x = 20,362,947,170.06/177,617.49
  6. Step 6: Final answer
    x = 114,644.94

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1.5x scale

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.