Home / 119,756.16-179,634.24-67,169.76

Finding the Fourth Proportional to 119,756.16, 179,634.24 and 67,169.76

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Solution

The fourth proportional to 119,756.16, 179,634.24 and 67,169.76 is: 100,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.16 : 179,634.24 = 67,169.76 : x
  2. Step 2: Convert to fraction form
    119,756.16/179,634.24 = 67,169.76/x
  3. Step 3: Cross multiply
    119,756.16x = 179,634.24 × 67,169.76
  4. Step 4: Simplify right side
    119,756.16x = 12,065,988,788.58
  5. Step 5: Solve for x
    x = 12,065,988,788.58/119,756.16
  6. Step 6: Final answer
    x = 100,754.64

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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.