Home / 175,272.84-263,065.50-81,831.24

Finding the Fourth Proportional to 175,272.84, 263,065.50 and 81,831.24

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Solution

The fourth proportional to 175,272.84, 263,065.50 and 81,831.24 is: 122,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,272.84 : 263,065.50 = 81,831.24 : x
  2. Step 2: Convert to fraction form
    175,272.84/263,065.50 = 81,831.24/x
  3. Step 3: Cross multiply
    175,272.84x = 263,065.50 × 81,831.24
  4. Step 4: Simplify right side
    175,272.84x = 21,526,976,066.22
  5. Step 5: Solve for x
    x = 21,526,976,066.22/175,272.84
  6. Step 6: Final answer
    x = 122,819.81

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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.