Home / 205,879.48-284,157.96-125,333.56

Finding the Fourth Proportional to 205,879.48, 284,157.96 and 125,333.56

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Solution

The fourth proportional to 205,879.48, 284,157.96 and 125,333.56 is: 172,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,879.48 : 284,157.96 = 125,333.56 : x
  2. Step 2: Convert to fraction form
    205,879.48/284,157.96 = 125,333.56/x
  3. Step 3: Cross multiply
    205,879.48x = 284,157.96 × 125,333.56
  4. Step 4: Simplify right side
    205,879.48x = 35,614,528,729.14
  5. Step 5: Solve for x
    x = 35,614,528,729.14/205,879.48
  6. Step 6: Final answer
    x = 172,987.27

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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.