Home / 188,021.56-281,373.38-134,772.16

Finding the Fourth Proportional to 188,021.56, 281,373.38 and 134,772.16

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Solution

The fourth proportional to 188,021.56, 281,373.38 and 134,772.16 is: 201,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,021.56 : 281,373.38 = 134,772.16 : x
  2. Step 2: Convert to fraction form
    188,021.56/281,373.38 = 134,772.16/x
  3. Step 3: Cross multiply
    188,021.56x = 281,373.38 × 134,772.16
  4. Step 4: Simplify right side
    188,021.56x = 37,921,298,189.10
  5. Step 5: Solve for x
    x = 37,921,298,189.10/188,021.56
  6. Step 6: Final answer
    x = 201,685.90

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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.