Home / 126,018.66-189,062.40-37,272.06

Finding the Fourth Proportional to 126,018.66, 189,062.40 and 37,272.06

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Solution

The fourth proportional to 126,018.66, 189,062.40 and 37,272.06 is: 55,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,018.66 : 189,062.40 = 37,272.06 : x
  2. Step 2: Convert to fraction form
    126,018.66/189,062.40 = 37,272.06/x
  3. Step 3: Cross multiply
    126,018.66x = 189,062.40 × 37,272.06
  4. Step 4: Simplify right side
    126,018.66x = 7,046,745,116.54
  5. Step 5: Solve for x
    x = 7,046,745,116.54/126,018.66
  6. Step 6: Final answer
    x = 55,918.27

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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.