Home / 274,053.12-378,172.36-166,608.24

Finding the Fourth Proportional to 274,053.12, 378,172.36 and 166,608.24

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Solution

The fourth proportional to 274,053.12, 378,172.36 and 166,608.24 is: 229,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,053.12 : 378,172.36 = 166,608.24 : x
  2. Step 2: Convert to fraction form
    274,053.12/378,172.36 = 166,608.24/x
  3. Step 3: Cross multiply
    274,053.12x = 378,172.36 × 166,608.24
  4. Step 4: Simplify right side
    274,053.12x = 63,006,631,316.25
  5. Step 5: Solve for x
    x = 63,006,631,316.25/274,053.12
  6. Step 6: Final answer
    x = 229,906.64

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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.