Home / 127,524.96-191,120.04-71,362.80

Finding the Fourth Proportional to 127,524.96, 191,120.04 and 71,362.80

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Solution

The fourth proportional to 127,524.96, 191,120.04 and 71,362.80 is: 106,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,524.96 : 191,120.04 = 71,362.80 : x
  2. Step 2: Convert to fraction form
    127,524.96/191,120.04 = 71,362.80/x
  3. Step 3: Cross multiply
    127,524.96x = 191,120.04 × 71,362.80
  4. Step 4: Simplify right side
    127,524.96x = 13,638,861,190.51
  5. Step 5: Solve for x
    x = 13,638,861,190.51/127,524.96
  6. Step 6: Final answer
    x = 106,950.52

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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.