Home / 188,197.60-282,339.68-55,074.72

Finding the Fourth Proportional to 188,197.60, 282,339.68 and 55,074.72

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Solution

The fourth proportional to 188,197.60, 282,339.68 and 55,074.72 is: 82,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,197.60 : 282,339.68 = 55,074.72 : x
  2. Step 2: Convert to fraction form
    188,197.60/282,339.68 = 55,074.72/x
  3. Step 3: Cross multiply
    188,197.60x = 282,339.68 × 55,074.72
  4. Step 4: Simplify right side
    188,197.60x = 15,549,778,820.89
  5. Step 5: Solve for x
    x = 15,549,778,820.89/188,197.60
  6. Step 6: Final answer
    x = 82,624.75

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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.