Home / 118,748.24-177,891.80-106,129.52

Finding the Fourth Proportional to 118,748.24, 177,891.80 and 106,129.52

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Solution

The fourth proportional to 118,748.24, 177,891.80 and 106,129.52 is: 158,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,748.24 : 177,891.80 = 106,129.52 : x
  2. Step 2: Convert to fraction form
    118,748.24/177,891.80 = 106,129.52/x
  3. Step 3: Cross multiply
    118,748.24x = 177,891.80 × 106,129.52
  4. Step 4: Simplify right side
    118,748.24x = 18,879,571,345.94
  5. Step 5: Solve for x
    x = 18,879,571,345.94/118,748.24
  6. Step 6: Final answer
    x = 158,988.22

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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.