Home / 119,471.36-164,843.99-69,141.20

Finding the Fourth Proportional to 119,471.36, 164,843.99 and 69,141.20

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Solution

The fourth proportional to 119,471.36, 164,843.99 and 69,141.20 is: 95,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,471.36 : 164,843.99 = 69,141.20 : x
  2. Step 2: Convert to fraction form
    119,471.36/164,843.99 = 69,141.20/x
  3. Step 3: Cross multiply
    119,471.36x = 164,843.99 × 69,141.20
  4. Step 4: Simplify right side
    119,471.36x = 11,397,510,111.46
  5. Step 5: Solve for x
    x = 11,397,510,111.46/119,471.36
  6. Step 6: Final answer
    x = 95,399.52

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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.