Home / 118,689.34-177,976.58-43,844.74

Finding the Fourth Proportional to 118,689.34, 177,976.58 and 43,844.74

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Solution

The fourth proportional to 118,689.34, 177,976.58 and 43,844.74 is: 65,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,689.34 : 177,976.58 = 43,844.74 : x
  2. Step 2: Convert to fraction form
    118,689.34/177,976.58 = 43,844.74/x
  3. Step 3: Cross multiply
    118,689.34x = 177,976.58 × 43,844.74
  4. Step 4: Simplify right side
    118,689.34x = 7,803,336,876.19
  5. Step 5: Solve for x
    x = 7,803,336,876.19/118,689.34
  6. Step 6: Final answer
    x = 65,745.89

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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.