Home / 119,399.11-179,029.95-71,415.62

Finding the Fourth Proportional to 119,399.11, 179,029.95 and 71,415.62

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Solution

The fourth proportional to 119,399.11, 179,029.95 and 71,415.62 is: 107,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,399.11 : 179,029.95 = 71,415.62 : x
  2. Step 2: Convert to fraction form
    119,399.11/179,029.95 = 71,415.62/x
  3. Step 3: Cross multiply
    119,399.11x = 179,029.95 × 71,415.62
  4. Step 4: Simplify right side
    119,399.11x = 12,785,535,393.27
  5. Step 5: Solve for x
    x = 12,785,535,393.27/119,399.11
  6. Step 6: Final answer
    x = 107,082.33

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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.