Home / 126,686.24-189,904.08-60,009.20

Finding the Fourth Proportional to 126,686.24, 189,904.08 and 60,009.20

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Solution

The fourth proportional to 126,686.24, 189,904.08 and 60,009.20 is: 89,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,686.24 : 189,904.08 = 60,009.20 : x
  2. Step 2: Convert to fraction form
    126,686.24/189,904.08 = 60,009.20/x
  3. Step 3: Cross multiply
    126,686.24x = 189,904.08 × 60,009.20
  4. Step 4: Simplify right side
    126,686.24x = 11,395,991,917.54
  5. Step 5: Solve for x
    x = 11,395,991,917.54/126,686.24
  6. Step 6: Final answer
    x = 89,954.46

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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.