Home / 121,728.83-182,576.21-41,765.48

Finding the Fourth Proportional to 121,728.83, 182,576.21 and 41,765.48

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Solution

The fourth proportional to 121,728.83, 182,576.21 and 41,765.48 is: 62,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,728.83 : 182,576.21 = 41,765.48 : x
  2. Step 2: Convert to fraction form
    121,728.83/182,576.21 = 41,765.48/x
  3. Step 3: Cross multiply
    121,728.83x = 182,576.21 × 41,765.48
  4. Step 4: Simplify right side
    121,728.83x = 7,625,383,047.23
  5. Step 5: Solve for x
    x = 7,625,383,047.23/121,728.83
  6. Step 6: Final answer
    x = 62,642.38

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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.