Home / 119,522.16-179,589.24-90,216

Finding the Fourth Proportional to 119,522.16, 179,589.24 and 90,216

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Solution

The fourth proportional to 119,522.16, 179,589.24 and 90,216 is: 135,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,522.16 : 179,589.24 = 90,216 : x
  2. Step 2: Convert to fraction form
    119,522.16/179,589.24 = 90,216/x
  3. Step 3: Cross multiply
    119,522.16x = 179,589.24 × 90,216
  4. Step 4: Simplify right side
    119,522.16x = 16,201,822,875.84
  5. Step 5: Solve for x
    x = 16,201,822,875.84/119,522.16
  6. Step 6: Final answer
    x = 135,554.97

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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.