Home / 188,208.12-282,348.90-55,090.56

Finding the Fourth Proportional to 188,208.12, 282,348.90 and 55,090.56

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Solution

The fourth proportional to 188,208.12, 282,348.90 and 55,090.56 is: 82,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,208.12 : 282,348.90 = 55,090.56 : x
  2. Step 2: Convert to fraction form
    188,208.12/282,348.90 = 55,090.56/x
  3. Step 3: Cross multiply
    188,208.12x = 282,348.90 × 55,090.56
  4. Step 4: Simplify right side
    188,208.12x = 15,554,759,016.38
  5. Step 5: Solve for x
    x = 15,554,759,016.38/188,208.12
  6. Step 6: Final answer
    x = 82,646.59

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1.5x scale

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.