Home / 119,556.54-164,981.43-65,831.06

Finding the Fourth Proportional to 119,556.54, 164,981.43 and 65,831.06

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Solution

The fourth proportional to 119,556.54, 164,981.43 and 65,831.06 is: 90,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,556.54 : 164,981.43 = 65,831.06 : x
  2. Step 2: Convert to fraction form
    119,556.54/164,981.43 = 65,831.06/x
  3. Step 3: Cross multiply
    119,556.54x = 164,981.43 × 65,831.06
  4. Step 4: Simplify right side
    119,556.54x = 10,860,901,592.31
  5. Step 5: Solve for x
    x = 10,860,901,592.31/119,556.54
  6. Step 6: Final answer
    x = 90,843.22

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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.