Home / 225,828.10-338,742.15-222,328.90

Finding the Fourth Proportional to 225,828.10, 338,742.15 and 222,328.90

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Solution

The fourth proportional to 225,828.10, 338,742.15 and 222,328.90 is: 333,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,828.10 : 338,742.15 = 222,328.90 : x
  2. Step 2: Convert to fraction form
    225,828.10/338,742.15 = 222,328.90/x
  3. Step 3: Cross multiply
    225,828.10x = 338,742.15 × 222,328.90
  4. Step 4: Simplify right side
    225,828.10x = 75,312,169,593.14
  5. Step 5: Solve for x
    x = 75,312,169,593.14/225,828.10
  6. Step 6: Final answer
    x = 333,493.35

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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.