Home / 118,188.26-177,315.19-65,634.65

Finding the Fourth Proportional to 118,188.26, 177,315.19 and 65,634.65

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Solution

The fourth proportional to 118,188.26, 177,315.19 and 65,634.65 is: 98,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,188.26 : 177,315.19 = 65,634.65 : x
  2. Step 2: Convert to fraction form
    118,188.26/177,315.19 = 65,634.65/x
  3. Step 3: Cross multiply
    118,188.26x = 177,315.19 × 65,634.65
  4. Step 4: Simplify right side
    118,188.26x = 11,638,019,384.67
  5. Step 5: Solve for x
    x = 11,638,019,384.67/118,188.26
  6. Step 6: Final answer
    x = 98,470.19

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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.