Home / 256,174.62-353,534.67-148,778.34

Finding the Fourth Proportional to 256,174.62, 353,534.67 and 148,778.34

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Solution

The fourth proportional to 256,174.62, 353,534.67 and 148,778.34 is: 205,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,174.62 : 353,534.67 = 148,778.34 : x
  2. Step 2: Convert to fraction form
    256,174.62/353,534.67 = 148,778.34/x
  3. Step 3: Cross multiply
    256,174.62x = 353,534.67 × 148,778.34
  4. Step 4: Simplify right side
    256,174.62x = 52,598,301,335.05
  5. Step 5: Solve for x
    x = 52,598,301,335.05/256,174.62
  6. Step 6: Final answer
    x = 205,322.06

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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.