Home / 286,828.36-395,832.78-157,772.32

Finding the Fourth Proportional to 286,828.36, 395,832.78 and 157,772.32

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Solution

The fourth proportional to 286,828.36, 395,832.78 and 157,772.32 is: 217,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,828.36 : 395,832.78 = 157,772.32 : x
  2. Step 2: Convert to fraction form
    286,828.36/395,832.78 = 157,772.32/x
  3. Step 3: Cross multiply
    286,828.36x = 395,832.78 × 157,772.32
  4. Step 4: Simplify right side
    286,828.36x = 62,451,456,032.65
  5. Step 5: Solve for x
    x = 62,451,456,032.65/286,828.36
  6. Step 6: Final answer
    x = 217,731.11

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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.