Home / 119,374.24-164,736.78-65,664.76

Finding the Fourth Proportional to 119,374.24, 164,736.78 and 65,664.76

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Solution

The fourth proportional to 119,374.24, 164,736.78 and 65,664.76 is: 90,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,374.24 : 164,736.78 = 65,664.76 : x
  2. Step 2: Convert to fraction form
    119,374.24/164,736.78 = 65,664.76/x
  3. Step 3: Cross multiply
    119,374.24x = 164,736.78 × 65,664.76
  4. Step 4: Simplify right side
    119,374.24x = 10,817,401,121.87
  5. Step 5: Solve for x
    x = 10,817,401,121.87/119,374.24
  6. Step 6: Final answer
    x = 90,617.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.