Home / 133,787.92-184,467.72-86,043.28

Finding the Fourth Proportional to 133,787.92, 184,467.72 and 86,043.28

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Solution

The fourth proportional to 133,787.92, 184,467.72 and 86,043.28 is: 118,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787.92 : 184,467.72 = 86,043.28 : x
  2. Step 2: Convert to fraction form
    133,787.92/184,467.72 = 86,043.28/x
  3. Step 3: Cross multiply
    133,787.92x = 184,467.72 × 86,043.28
  4. Step 4: Simplify right side
    133,787.92x = 15,872,207,682.92
  5. Step 5: Solve for x
    x = 15,872,207,682.92/133,787.92
  6. Step 6: Final answer
    x = 118,637.08

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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.