Home / 127,705.28-191,469.06-56,589.32

Finding the Fourth Proportional to 127,705.28, 191,469.06 and 56,589.32

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Solution

The fourth proportional to 127,705.28, 191,469.06 and 56,589.32 is: 84,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,705.28 : 191,469.06 = 56,589.32 : x
  2. Step 2: Convert to fraction form
    127,705.28/191,469.06 = 56,589.32/x
  3. Step 3: Cross multiply
    127,705.28x = 191,469.06 × 56,589.32
  4. Step 4: Simplify right side
    127,705.28x = 10,835,103,906.44
  5. Step 5: Solve for x
    x = 10,835,103,906.44/127,705.28
  6. Step 6: Final answer
    x = 84,844.60

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1.5x scale

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.