Home / 225,532.45-338,298.27-99,142.48

Finding the Fourth Proportional to 225,532.45, 338,298.27 and 99,142.48

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Solution

The fourth proportional to 225,532.45, 338,298.27 and 99,142.48 is: 148,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,532.45 : 338,298.27 = 99,142.48 : x
  2. Step 2: Convert to fraction form
    225,532.45/338,298.27 = 99,142.48/x
  3. Step 3: Cross multiply
    225,532.45x = 338,298.27 × 99,142.48
  4. Step 4: Simplify right side
    225,532.45x = 33,539,729,467.51
  5. Step 5: Solve for x
    x = 33,539,729,467.51/225,532.45
  6. Step 6: Final answer
    x = 148,713.54

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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.