Home / 206,456.44-284,695.54-145,999.48

Finding the Fourth Proportional to 206,456.44, 284,695.54 and 145,999.48

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Solution

The fourth proportional to 206,456.44, 284,695.54 and 145,999.48 is: 201,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,456.44 : 284,695.54 = 145,999.48 : x
  2. Step 2: Convert to fraction form
    206,456.44/284,695.54 = 145,999.48/x
  3. Step 3: Cross multiply
    206,456.44x = 284,695.54 × 145,999.48
  4. Step 4: Simplify right side
    206,456.44x = 41,565,400,798.32
  5. Step 5: Solve for x
    x = 41,565,400,798.32/206,456.44
  6. Step 6: Final answer
    x = 201,327.70

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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.