Home / 126,461.89-189,786.38-59,902.17

Finding the Fourth Proportional to 126,461.89, 189,786.38 and 59,902.17

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Solution

The fourth proportional to 126,461.89, 189,786.38 and 59,902.17 is: 89,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.89 : 189,786.38 = 59,902.17 : x
  2. Step 2: Convert to fraction form
    126,461.89/189,786.38 = 59,902.17/x
  3. Step 3: Cross multiply
    126,461.89x = 189,786.38 × 59,902.17
  4. Step 4: Simplify right side
    126,461.89x = 11,368,615,998.44
  5. Step 5: Solve for x
    x = 11,368,615,998.44/126,461.89
  6. Step 6: Final answer
    x = 89,897.57

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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.