Home / 177,628.34-266,256.39-82,780.28

Finding the Fourth Proportional to 177,628.34, 266,256.39 and 82,780.28

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Solution

The fourth proportional to 177,628.34, 266,256.39 and 82,780.28 is: 124,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,628.34 : 266,256.39 = 82,780.28 : x
  2. Step 2: Convert to fraction form
    177,628.34/266,256.39 = 82,780.28/x
  3. Step 3: Cross multiply
    177,628.34x = 266,256.39 × 82,780.28
  4. Step 4: Simplify right side
    177,628.34x = 22,040,778,260.78
  5. Step 5: Solve for x
    x = 22,040,778,260.78/177,628.34
  6. Step 6: Final answer
    x = 124,083.68

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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.