Home / 178,633.25-246,463.38-115,007.88

Finding the Fourth Proportional to 178,633.25, 246,463.38 and 115,007.88

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Solution

The fourth proportional to 178,633.25, 246,463.38 and 115,007.88 is: 158,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,633.25 : 246,463.38 = 115,007.88 : x
  2. Step 2: Convert to fraction form
    178,633.25/246,463.38 = 115,007.88/x
  3. Step 3: Cross multiply
    178,633.25x = 246,463.38 × 115,007.88
  4. Step 4: Simplify right side
    178,633.25x = 28,345,230,831.43
  5. Step 5: Solve for x
    x = 28,345,230,831.43/178,633.25
  6. Step 6: Final answer
    x = 158,678.36

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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.