Home / 211,831.80-317,747.44-54,060.26

Finding the Fourth Proportional to 211,831.80, 317,747.44 and 54,060.26

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Solution

The fourth proportional to 211,831.80, 317,747.44 and 54,060.26 is: 81,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,831.80 : 317,747.44 = 54,060.26 : x
  2. Step 2: Convert to fraction form
    211,831.80/317,747.44 = 54,060.26/x
  3. Step 3: Cross multiply
    211,831.80x = 317,747.44 × 54,060.26
  4. Step 4: Simplify right side
    211,831.80x = 17,177,508,950.43
  5. Step 5: Solve for x
    x = 17,177,508,950.43/211,831.80
  6. Step 6: Final answer
    x = 81,090.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.