Home / 274,366.56-378,608.04-153,486.96

Finding the Fourth Proportional to 274,366.56, 378,608.04 and 153,486.96

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Solution

The fourth proportional to 274,366.56, 378,608.04 and 153,486.96 is: 211,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,366.56 : 378,608.04 = 153,486.96 : x
  2. Step 2: Convert to fraction form
    274,366.56/378,608.04 = 153,486.96/x
  3. Step 3: Cross multiply
    274,366.56x = 378,608.04 × 153,486.96
  4. Step 4: Simplify right side
    274,366.56x = 58,111,397,091.16
  5. Step 5: Solve for x
    x = 58,111,397,091.16/274,366.56
  6. Step 6: Final answer
    x = 211,802.04

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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.