Home / 127,850.48-191,744.96-39,104.76

Finding the Fourth Proportional to 127,850.48, 191,744.96 and 39,104.76

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Solution

The fourth proportional to 127,850.48, 191,744.96 and 39,104.76 is: 58,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.48 : 191,744.96 = 39,104.76 : x
  2. Step 2: Convert to fraction form
    127,850.48/191,744.96 = 39,104.76/x
  3. Step 3: Cross multiply
    127,850.48x = 191,744.96 × 39,104.76
  4. Step 4: Simplify right side
    127,850.48x = 7,498,140,642.01
  5. Step 5: Solve for x
    x = 7,498,140,642.01/127,850.48
  6. Step 6: Final answer
    x = 58,647.73

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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.