Home / 127,351.40-191,027.10-38,600.51

Finding the Fourth Proportional to 127,351.40, 191,027.10 and 38,600.51

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Solution

The fourth proportional to 127,351.40, 191,027.10 and 38,600.51 is: 57,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,351.40 : 191,027.10 = 38,600.51 : x
  2. Step 2: Convert to fraction form
    127,351.40/191,027.10 = 38,600.51/x
  3. Step 3: Cross multiply
    127,351.40x = 191,027.10 × 38,600.51
  4. Step 4: Simplify right side
    127,351.40x = 7,373,743,483.82
  5. Step 5: Solve for x
    x = 7,373,743,483.82/127,351.40
  6. Step 6: Final answer
    x = 57,900.77

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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.