Home / 133,091.36-199,672.95-58,218.20

Finding the Fourth Proportional to 133,091.36, 199,672.95 and 58,218.20

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Solution

The fourth proportional to 133,091.36, 199,672.95 and 58,218.20 is: 87,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.36 : 199,672.95 = 58,218.20 : x
  2. Step 2: Convert to fraction form
    133,091.36/199,672.95 = 58,218.20/x
  3. Step 3: Cross multiply
    133,091.36x = 199,672.95 × 58,218.20
  4. Step 4: Simplify right side
    133,091.36x = 11,624,599,737.69
  5. Step 5: Solve for x
    x = 11,624,599,737.69/133,091.36
  6. Step 6: Final answer
    x = 87,343.01

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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.