Home / 130,498.80-179,917-94,169.76

Finding the Fourth Proportional to 130,498.80, 179,917 and 94,169.76

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Solution

The fourth proportional to 130,498.80, 179,917 and 94,169.76 is: 129,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,498.80 : 179,917 = 94,169.76 : x
  2. Step 2: Convert to fraction form
    130,498.80/179,917 = 94,169.76/x
  3. Step 3: Cross multiply
    130,498.80x = 179,917 × 94,169.76
  4. Step 4: Simplify right side
    130,498.80x = 16,942,740,709.92
  5. Step 5: Solve for x
    x = 16,942,740,709.92/130,498.80
  6. Step 6: Final answer
    x = 129,830.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.