Home / 274,476.42-378,100.67-233,509.34

Finding the Fourth Proportional to 274,476.42, 378,100.67 and 233,509.34

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Solution

The fourth proportional to 274,476.42, 378,100.67 and 233,509.34 is: 321,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,476.42 : 378,100.67 = 233,509.34 : x
  2. Step 2: Convert to fraction form
    274,476.42/378,100.67 = 233,509.34/x
  3. Step 3: Cross multiply
    274,476.42x = 378,100.67 × 233,509.34
  4. Step 4: Simplify right side
    274,476.42x = 88,290,037,682.96
  5. Step 5: Solve for x
    x = 88,290,037,682.96/274,476.42
  6. Step 6: Final answer
    x = 321,667.11

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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.