Home / 133,290.41-199,800.54-57,438.36

Finding the Fourth Proportional to 133,290.41, 199,800.54 and 57,438.36

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Solution

The fourth proportional to 133,290.41, 199,800.54 and 57,438.36 is: 86,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,290.41 : 199,800.54 = 57,438.36 : x
  2. Step 2: Convert to fraction form
    133,290.41/199,800.54 = 57,438.36/x
  3. Step 3: Cross multiply
    133,290.41x = 199,800.54 × 57,438.36
  4. Step 4: Simplify right side
    133,290.41x = 11,476,215,344.71
  5. Step 5: Solve for x
    x = 11,476,215,344.71/133,290.41
  6. Step 6: Final answer
    x = 86,099.34

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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.