Home / 126,728.47-190,096.26-47,825.11

Finding the Fourth Proportional to 126,728.47, 190,096.26 and 47,825.11

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Solution

The fourth proportional to 126,728.47, 190,096.26 and 47,825.11 is: 71,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,728.47 : 190,096.26 = 47,825.11 : x
  2. Step 2: Convert to fraction form
    126,728.47/190,096.26 = 47,825.11/x
  3. Step 3: Cross multiply
    126,728.47x = 190,096.26 × 47,825.11
  4. Step 4: Simplify right side
    126,728.47x = 9,091,374,545.09
  5. Step 5: Solve for x
    x = 9,091,374,545.09/126,728.47
  6. Step 6: Final answer
    x = 71,739.01

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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.