Home / 379,221.08-568,831.62-112,974.72

Finding the Fourth Proportional to 379,221.08, 568,831.62 and 112,974.72

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Solution

The fourth proportional to 379,221.08, 568,831.62 and 112,974.72 is: 169,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,221.08 : 568,831.62 = 112,974.72 : x
  2. Step 2: Convert to fraction form
    379,221.08/568,831.62 = 112,974.72/x
  3. Step 3: Cross multiply
    379,221.08x = 568,831.62 × 112,974.72
  4. Step 4: Simplify right side
    379,221.08x = 64,263,592,996.65
  5. Step 5: Solve for x
    x = 64,263,592,996.65/379,221.08
  6. Step 6: Final answer
    x = 169,462.08

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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.