Home / 118,263.85-177,419.11-43,384.61

Finding the Fourth Proportional to 118,263.85, 177,419.11 and 43,384.61

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Solution

The fourth proportional to 118,263.85, 177,419.11 and 43,384.61 is: 65,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.85 : 177,419.11 = 43,384.61 : x
  2. Step 2: Convert to fraction form
    118,263.85/177,419.11 = 43,384.61/x
  3. Step 3: Cross multiply
    118,263.85x = 177,419.11 × 43,384.61
  4. Step 4: Simplify right side
    118,263.85x = 7,697,259,310.33
  5. Step 5: Solve for x
    x = 7,697,259,310.33/118,263.85
  6. Step 6: Final answer
    x = 65,085.48

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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.