Home / 225,465.16-338,203.20-75,710.34

Finding the Fourth Proportional to 225,465.16, 338,203.20 and 75,710.34

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Solution

The fourth proportional to 225,465.16, 338,203.20 and 75,710.34 is: 113,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,465.16 : 338,203.20 = 75,710.34 : x
  2. Step 2: Convert to fraction form
    225,465.16/338,203.20 = 75,710.34/x
  3. Step 3: Cross multiply
    225,465.16x = 338,203.20 × 75,710.34
  4. Step 4: Simplify right side
    225,465.16x = 25,605,479,261.09
  5. Step 5: Solve for x
    x = 25,605,479,261.09/225,465.16
  6. Step 6: Final answer
    x = 113,567.34

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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.