Home / 133,866.11-200,525.79-74,733.28

Finding the Fourth Proportional to 133,866.11, 200,525.79 and 74,733.28

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Solution

The fourth proportional to 133,866.11, 200,525.79 and 74,733.28 is: 111,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,866.11 : 200,525.79 = 74,733.28 : x
  2. Step 2: Convert to fraction form
    133,866.11/200,525.79 = 74,733.28/x
  3. Step 3: Cross multiply
    133,866.11x = 200,525.79 × 74,733.28
  4. Step 4: Simplify right side
    133,866.11x = 14,985,950,011.29
  5. Step 5: Solve for x
    x = 14,985,950,011.29/133,866.11
  6. Step 6: Final answer
    x = 111,947.30

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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.