Home / 166,143.24-248,959.71-112,765.86

Finding the Fourth Proportional to 166,143.24, 248,959.71 and 112,765.86

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Solution

The fourth proportional to 166,143.24, 248,959.71 and 112,765.86 is: 168,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,143.24 : 248,959.71 = 112,765.86 : x
  2. Step 2: Convert to fraction form
    166,143.24/248,959.71 = 112,765.86/x
  3. Step 3: Cross multiply
    166,143.24x = 248,959.71 × 112,765.86
  4. Step 4: Simplify right side
    166,143.24x = 28,074,155,803.50
  5. Step 5: Solve for x
    x = 28,074,155,803.50/166,143.24
  6. Step 6: Final answer
    x = 168,975.61

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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.