Home / 119,502.99-164,912.85-65,786.94

Finding the Fourth Proportional to 119,502.99, 164,912.85 and 65,786.94

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Solution

The fourth proportional to 119,502.99, 164,912.85 and 65,786.94 is: 90,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,502.99 : 164,912.85 = 65,786.94 : x
  2. Step 2: Convert to fraction form
    119,502.99/164,912.85 = 65,786.94/x
  3. Step 3: Cross multiply
    119,502.99x = 164,912.85 × 65,786.94
  4. Step 4: Simplify right side
    119,502.99x = 10,849,111,768.18
  5. Step 5: Solve for x
    x = 10,849,111,768.18/119,502.99
  6. Step 6: Final answer
    x = 90,785.27

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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.