Home / 136,724.22-188,764.83-104,831.82

Finding the Fourth Proportional to 136,724.22, 188,764.83 and 104,831.82

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Solution

The fourth proportional to 136,724.22, 188,764.83 and 104,831.82 is: 144,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,724.22 : 188,764.83 = 104,831.82 : x
  2. Step 2: Convert to fraction form
    136,724.22/188,764.83 = 104,831.82/x
  3. Step 3: Cross multiply
    136,724.22x = 188,764.83 × 104,831.82
  4. Step 4: Simplify right side
    136,724.22x = 19,788,560,680.89
  5. Step 5: Solve for x
    x = 19,788,560,680.89/136,724.22
  6. Step 6: Final answer
    x = 144,733.40

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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.