Home / 136,844.20-188,831.59-93,860.41

Finding the Fourth Proportional to 136,844.20, 188,831.59 and 93,860.41

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Solution

The fourth proportional to 136,844.20, 188,831.59 and 93,860.41 is: 129,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,844.20 : 188,831.59 = 93,860.41 : x
  2. Step 2: Convert to fraction form
    136,844.20/188,831.59 = 93,860.41/x
  3. Step 3: Cross multiply
    136,844.20x = 188,831.59 × 93,860.41
  4. Step 4: Simplify right side
    136,844.20x = 17,723,810,458.35
  5. Step 5: Solve for x
    x = 17,723,810,458.35/136,844.20
  6. Step 6: Final answer
    x = 129,518.17

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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.