Home / 234,945.36-354,153.41-221,229.23

Finding the Fourth Proportional to 234,945.36, 354,153.41 and 221,229.23

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Solution

The fourth proportional to 234,945.36, 354,153.41 and 221,229.23 is: 333,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,945.36 : 354,153.41 = 221,229.23 : x
  2. Step 2: Convert to fraction form
    234,945.36/354,153.41 = 221,229.23/x
  3. Step 3: Cross multiply
    234,945.36x = 354,153.41 × 221,229.23
  4. Step 4: Simplify right side
    234,945.36x = 78,349,085,393.29
  5. Step 5: Solve for x
    x = 78,349,085,393.29/234,945.36
  6. Step 6: Final answer
    x = 333,477.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.