Home / 179,199.77-268,965.95-90,515.57

Finding the Fourth Proportional to 179,199.77, 268,965.95 and 90,515.57

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Solution

The fourth proportional to 179,199.77, 268,965.95 and 90,515.57 is: 135,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,199.77 : 268,965.95 = 90,515.57 : x
  2. Step 2: Convert to fraction form
    179,199.77/268,965.95 = 90,515.57/x
  3. Step 3: Cross multiply
    179,199.77x = 268,965.95 × 90,515.57
  4. Step 4: Simplify right side
    179,199.77x = 24,345,604,477.43
  5. Step 5: Solve for x
    x = 24,345,604,477.43/179,199.77
  6. Step 6: Final answer
    x = 135,857.35

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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.