Home / 166,140.99-248,956.29-112,763.61

Finding the Fourth Proportional to 166,140.99, 248,956.29 and 112,763.61

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Solution

The fourth proportional to 166,140.99, 248,956.29 and 112,763.61 is: 168,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,140.99 : 248,956.29 = 112,763.61 : x
  2. Step 2: Convert to fraction form
    166,140.99/248,956.29 = 112,763.61/x
  3. Step 3: Cross multiply
    166,140.99x = 248,956.29 × 112,763.61
  4. Step 4: Simplify right side
    166,140.99x = 28,073,209,992.61
  5. Step 5: Solve for x
    x = 28,073,209,992.61/166,140.99
  6. Step 6: Final answer
    x = 168,972.21

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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.