Home / 133,515.78-200,342.70-58,688.46

Finding the Fourth Proportional to 133,515.78, 200,342.70 and 58,688.46

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Solution

The fourth proportional to 133,515.78, 200,342.70 and 58,688.46 is: 88,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,515.78 : 200,342.70 = 58,688.46 : x
  2. Step 2: Convert to fraction form
    133,515.78/200,342.70 = 58,688.46/x
  3. Step 3: Cross multiply
    133,515.78x = 200,342.70 × 58,688.46
  4. Step 4: Simplify right side
    133,515.78x = 11,757,804,535.24
  5. Step 5: Solve for x
    x = 11,757,804,535.24/133,515.78
  6. Step 6: Final answer
    x = 88,063.03

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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.