Home / 127,571.72-191,367.36-38,832.80

Finding the Fourth Proportional to 127,571.72, 191,367.36 and 38,832.80

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Solution

The fourth proportional to 127,571.72, 191,367.36 and 38,832.80 is: 58,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,571.72 : 191,367.36 = 38,832.80 : x
  2. Step 2: Convert to fraction form
    127,571.72/191,367.36 = 38,832.80/x
  3. Step 3: Cross multiply
    127,571.72x = 191,367.36 × 38,832.80
  4. Step 4: Simplify right side
    127,571.72x = 7,431,330,417.41
  5. Step 5: Solve for x
    x = 7,431,330,417.41/127,571.72
  6. Step 6: Final answer
    x = 58,252.18

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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.