Home / 119,377.28-164,764.05-68,424.16

Finding the Fourth Proportional to 119,377.28, 164,764.05 and 68,424.16

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Solution

The fourth proportional to 119,377.28, 164,764.05 and 68,424.16 is: 94,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,377.28 : 164,764.05 = 68,424.16 : x
  2. Step 2: Convert to fraction form
    119,377.28/164,764.05 = 68,424.16/x
  3. Step 3: Cross multiply
    119,377.28x = 164,764.05 × 68,424.16
  4. Step 4: Simplify right side
    119,377.28x = 11,273,841,719.45
  5. Step 5: Solve for x
    x = 11,273,841,719.45/119,377.28
  6. Step 6: Final answer
    x = 94,438.76

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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.