Home / 119,887.56-179,831.04-112,579.94

Finding the Fourth Proportional to 119,887.56, 179,831.04 and 112,579.94

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Solution

The fourth proportional to 119,887.56, 179,831.04 and 112,579.94 is: 168,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,887.56 : 179,831.04 = 112,579.94 : x
  2. Step 2: Convert to fraction form
    119,887.56/179,831.04 = 112,579.94/x
  3. Step 3: Cross multiply
    119,887.56x = 179,831.04 × 112,579.94
  4. Step 4: Simplify right side
    119,887.56x = 20,245,367,720.74
  5. Step 5: Solve for x
    x = 20,245,367,720.74/119,887.56
  6. Step 6: Final answer
    x = 168,869.63

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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.