Home / 227,188.60-313,507.47-125,213.76

Finding the Fourth Proportional to 227,188.60, 313,507.47 and 125,213.76

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Solution

The fourth proportional to 227,188.60, 313,507.47 and 125,213.76 is: 172,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,188.60 : 313,507.47 = 125,213.76 : x
  2. Step 2: Convert to fraction form
    227,188.60/313,507.47 = 125,213.76/x
  3. Step 3: Cross multiply
    227,188.60x = 313,507.47 × 125,213.76
  4. Step 4: Simplify right side
    227,188.60x = 39,255,449,106.79
  5. Step 5: Solve for x
    x = 39,255,449,106.79/227,188.60
  6. Step 6: Final answer
    x = 172,787.94

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1.5x scale

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.