Home / 225,681.04-311,224.24-135,022.60

Finding the Fourth Proportional to 225,681.04, 311,224.24 and 135,022.60

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Solution

The fourth proportional to 225,681.04, 311,224.24 and 135,022.60 is: 186,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,681.04 : 311,224.24 = 135,022.60 : x
  2. Step 2: Convert to fraction form
    225,681.04/311,224.24 = 135,022.60/x
  3. Step 3: Cross multiply
    225,681.04x = 311,224.24 × 135,022.60
  4. Step 4: Simplify right side
    225,681.04x = 42,022,306,067.82
  5. Step 5: Solve for x
    x = 42,022,306,067.82/225,681.04
  6. Step 6: Final answer
    x = 186,202.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.