Home / 179,199.77-268,965.71-90,515.44

Finding the Fourth Proportional to 179,199.77, 268,965.71 and 90,515.44

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Solution

The fourth proportional to 179,199.77, 268,965.71 and 90,515.44 is: 135,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,199.77 : 268,965.71 = 90,515.44 : x
  2. Step 2: Convert to fraction form
    179,199.77/268,965.71 = 90,515.44/x
  3. Step 3: Cross multiply
    179,199.77x = 268,965.71 × 90,515.44
  4. Step 4: Simplify right side
    179,199.77x = 24,345,547,788.16
  5. Step 5: Solve for x
    x = 24,345,547,788.16/179,199.77
  6. Step 6: Final answer
    x = 135,857.03

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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.