Home / 227,188.10-313,506.79-125,213.26

Finding the Fourth Proportional to 227,188.10, 313,506.79 and 125,213.26

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Solution

The fourth proportional to 227,188.10, 313,506.79 and 125,213.26 is: 172,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,188.10 : 313,506.79 = 125,213.26 : x
  2. Step 2: Convert to fraction form
    227,188.10/313,506.79 = 125,213.26/x
  3. Step 3: Cross multiply
    227,188.10x = 313,506.79 × 125,213.26
  4. Step 4: Simplify right side
    227,188.10x = 39,255,205,904.70
  5. Step 5: Solve for x
    x = 39,255,205,904.70/227,188.10
  6. Step 6: Final answer
    x = 172,787.24

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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.