Home / 188,350.50-259,991.93-124,708.80

Finding the Fourth Proportional to 188,350.50, 259,991.93 and 124,708.80

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Solution

The fourth proportional to 188,350.50, 259,991.93 and 124,708.80 is: 172,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,350.50 : 259,991.93 = 124,708.80 : x
  2. Step 2: Convert to fraction form
    188,350.50/259,991.93 = 124,708.80/x
  3. Step 3: Cross multiply
    188,350.50x = 259,991.93 × 124,708.80
  4. Step 4: Simplify right side
    188,350.50x = 32,423,281,599.98
  5. Step 5: Solve for x
    x = 32,423,281,599.98/188,350.50
  6. Step 6: Final answer
    x = 172,143.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.