Home / 386,731.56-580,113.10-184,223.58

Finding the Fourth Proportional to 386,731.56, 580,113.10 and 184,223.58

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Solution

The fourth proportional to 386,731.56, 580,113.10 and 184,223.58 is: 276,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,731.56 : 580,113.10 = 184,223.58 : x
  2. Step 2: Convert to fraction form
    386,731.56/580,113.10 = 184,223.58/x
  3. Step 3: Cross multiply
    386,731.56x = 580,113.10 × 184,223.58
  4. Step 4: Simplify right side
    386,731.56x = 106,870,512,086.90
  5. Step 5: Solve for x
    x = 106,870,512,086.90/386,731.56
  6. Step 6: Final answer
    x = 276,342.88

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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.