Home / 188,560.48-282,772.68-55,405.12

Finding the Fourth Proportional to 188,560.48, 282,772.68 and 55,405.12

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Solution

The fourth proportional to 188,560.48, 282,772.68 and 55,405.12 is: 83,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.48 : 282,772.68 = 55,405.12 : x
  2. Step 2: Convert to fraction form
    188,560.48/282,772.68 = 55,405.12/x
  3. Step 3: Cross multiply
    188,560.48x = 282,772.68 × 55,405.12
  4. Step 4: Simplify right side
    188,560.48x = 15,667,054,268.12
  5. Step 5: Solve for x
    x = 15,667,054,268.12/188,560.48
  6. Step 6: Final answer
    x = 83,087.69

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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.