Home / 188,595.18-282,884.25-55,479.78

Finding the Fourth Proportional to 188,595.18, 282,884.25 and 55,479.78

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Solution

The fourth proportional to 188,595.18, 282,884.25 and 55,479.78 is: 83,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,595.18 : 282,884.25 = 55,479.78 : x
  2. Step 2: Convert to fraction form
    188,595.18/282,884.25 = 55,479.78/x
  3. Step 3: Cross multiply
    188,595.18x = 282,884.25 × 55,479.78
  4. Step 4: Simplify right side
    188,595.18x = 15,694,355,955.47
  5. Step 5: Solve for x
    x = 15,694,355,955.47/188,595.18
  6. Step 6: Final answer
    x = 83,217.16

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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.