Home / 118,277.35-177,439.38-43,398.11

Finding the Fourth Proportional to 118,277.35, 177,439.38 and 43,398.11

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Solution

The fourth proportional to 118,277.35, 177,439.38 and 43,398.11 is: 65,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.35 : 177,439.38 = 43,398.11 : x
  2. Step 2: Convert to fraction form
    118,277.35/177,439.38 = 43,398.11/x
  3. Step 3: Cross multiply
    118,277.35x = 177,439.38 × 43,398.11
  4. Step 4: Simplify right side
    118,277.35x = 7,700,534,012.43
  5. Step 5: Solve for x
    x = 7,700,534,012.43/118,277.35
  6. Step 6: Final answer
    x = 65,105.74

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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.