Home / 387,150.32-580,725.48-150,548.36

Finding the Fourth Proportional to 387,150.32, 580,725.48 and 150,548.36

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Solution

The fourth proportional to 387,150.32, 580,725.48 and 150,548.36 is: 225,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,150.32 : 580,725.48 = 150,548.36 : x
  2. Step 2: Convert to fraction form
    387,150.32/580,725.48 = 150,548.36/x
  3. Step 3: Cross multiply
    387,150.32x = 580,725.48 × 150,548.36
  4. Step 4: Simplify right side
    387,150.32x = 87,427,265,438.31
  5. Step 5: Solve for x
    x = 87,427,265,438.31/387,150.32
  6. Step 6: Final answer
    x = 225,822.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.