Home / 205,647.48-283,728.96-114,991.20

Finding the Fourth Proportional to 205,647.48, 283,728.96 and 114,991.20

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Solution

The fourth proportional to 205,647.48, 283,728.96 and 114,991.20 is: 158,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,647.48 : 283,728.96 = 114,991.20 : x
  2. Step 2: Convert to fraction form
    205,647.48/283,728.96 = 114,991.20/x
  3. Step 3: Cross multiply
    205,647.48x = 283,728.96 × 114,991.20
  4. Step 4: Simplify right side
    205,647.48x = 32,626,333,585.15
  5. Step 5: Solve for x
    x = 32,626,333,585.15/205,647.48
  6. Step 6: Final answer
    x = 158,651.75

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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.