Home / 113,140.11-169,732.06-43,013.95

Finding the Fourth Proportional to 113,140.11, 169,732.06 and 43,013.95

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Solution

The fourth proportional to 113,140.11, 169,732.06 and 43,013.95 is: 64,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,140.11 : 169,732.06 = 43,013.95 : x
  2. Step 2: Convert to fraction form
    113,140.11/169,732.06 = 43,013.95/x
  3. Step 3: Cross multiply
    113,140.11x = 169,732.06 × 43,013.95
  4. Step 4: Simplify right side
    113,140.11x = 7,300,846,765.11
  5. Step 5: Solve for x
    x = 7,300,846,765.11/113,140.11
  6. Step 6: Final answer
    x = 64,529.25

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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.