Home / 133,911.26-200,919.18-58,978.75

Finding the Fourth Proportional to 133,911.26, 200,919.18 and 58,978.75

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Solution

The fourth proportional to 133,911.26, 200,919.18 and 58,978.75 is: 88,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,911.26 : 200,919.18 = 58,978.75 : x
  2. Step 2: Convert to fraction form
    133,911.26/200,919.18 = 58,978.75/x
  3. Step 3: Cross multiply
    133,911.26x = 200,919.18 × 58,978.75
  4. Step 4: Simplify right side
    133,911.26x = 11,849,962,087.43
  5. Step 5: Solve for x
    x = 11,849,962,087.43/133,911.26
  6. Step 6: Final answer
    x = 88,491.16

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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.