Home / 131,027.76-196,401.51-67,784.24

Finding the Fourth Proportional to 131,027.76, 196,401.51 and 67,784.24

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Solution

The fourth proportional to 131,027.76, 196,401.51 and 67,784.24 is: 101,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,027.76 : 196,401.51 = 67,784.24 : x
  2. Step 2: Convert to fraction form
    131,027.76/196,401.51 = 67,784.24/x
  3. Step 3: Cross multiply
    131,027.76x = 196,401.51 × 67,784.24
  4. Step 4: Simplify right side
    131,027.76x = 13,312,927,581.21
  5. Step 5: Solve for x
    x = 13,312,927,581.21/131,027.76
  6. Step 6: Final answer
    x = 101,603.87

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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.