Home / 127,645.30-191,495.58-38,896.48

Finding the Fourth Proportional to 127,645.30, 191,495.58 and 38,896.48

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Solution

The fourth proportional to 127,645.30, 191,495.58 and 38,896.48 is: 58,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,645.30 : 191,495.58 = 38,896.48 : x
  2. Step 2: Convert to fraction form
    127,645.30/191,495.58 = 38,896.48/x
  3. Step 3: Cross multiply
    127,645.30x = 191,495.58 × 38,896.48
  4. Step 4: Simplify right side
    127,645.30x = 7,448,503,997.56
  5. Step 5: Solve for x
    x = 7,448,503,997.56/127,645.30
  6. Step 6: Final answer
    x = 58,353.14

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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.