Home / 133,883.19-200,825.55-45,137.52

Finding the Fourth Proportional to 133,883.19, 200,825.55 and 45,137.52

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Solution

The fourth proportional to 133,883.19, 200,825.55 and 45,137.52 is: 67,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,883.19 : 200,825.55 = 45,137.52 : x
  2. Step 2: Convert to fraction form
    133,883.19/200,825.55 = 45,137.52/x
  3. Step 3: Cross multiply
    133,883.19x = 200,825.55 × 45,137.52
  4. Step 4: Simplify right side
    133,883.19x = 9,064,767,279.64
  5. Step 5: Solve for x
    x = 9,064,767,279.64/133,883.19
  6. Step 6: Final answer
    x = 67,706.54

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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.