Home / 188,525.43-282,788.20-55,405.69

Finding the Fourth Proportional to 188,525.43, 282,788.20 and 55,405.69

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Solution

The fourth proportional to 188,525.43, 282,788.20 and 55,405.69 is: 83,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,525.43 : 282,788.20 = 55,405.69 : x
  2. Step 2: Convert to fraction form
    188,525.43/282,788.20 = 55,405.69/x
  3. Step 3: Cross multiply
    188,525.43x = 282,788.20 × 55,405.69
  4. Step 4: Simplify right side
    188,525.43x = 15,668,075,344.86
  5. Step 5: Solve for x
    x = 15,668,075,344.86/188,525.43
  6. Step 6: Final answer
    x = 83,108.55

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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.