Home / 256,059.24-353,362.14-142,879.56

Finding the Fourth Proportional to 256,059.24, 353,362.14 and 142,879.56

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Solution

The fourth proportional to 256,059.24, 353,362.14 and 142,879.56 is: 197,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,059.24 : 353,362.14 = 142,879.56 : x
  2. Step 2: Convert to fraction form
    256,059.24/353,362.14 = 142,879.56/x
  3. Step 3: Cross multiply
    256,059.24x = 353,362.14 × 142,879.56
  4. Step 4: Simplify right side
    256,059.24x = 50,488,227,083.86
  5. Step 5: Solve for x
    x = 50,488,227,083.86/256,059.24
  6. Step 6: Final answer
    x = 197,174.01

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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.