Home / 111,297.04-153,589.97-65,997.28

Finding the Fourth Proportional to 111,297.04, 153,589.97 and 65,997.28

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Solution

The fourth proportional to 111,297.04, 153,589.97 and 65,997.28 is: 91,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,297.04 : 153,589.97 = 65,997.28 : x
  2. Step 2: Convert to fraction form
    111,297.04/153,589.97 = 65,997.28/x
  3. Step 3: Cross multiply
    111,297.04x = 153,589.97 × 65,997.28
  4. Step 4: Simplify right side
    111,297.04x = 10,136,520,612.26
  5. Step 5: Solve for x
    x = 10,136,520,612.26/111,297.04
  6. Step 6: Final answer
    x = 91,076.28

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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.