Home / 118,908.56-164,033.16-90,565.04

Finding the Fourth Proportional to 118,908.56, 164,033.16 and 90,565.04

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Solution

The fourth proportional to 118,908.56, 164,033.16 and 90,565.04 is: 124,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908.56 : 164,033.16 = 90,565.04 : x
  2. Step 2: Convert to fraction form
    118,908.56/164,033.16 = 90,565.04/x
  3. Step 3: Cross multiply
    118,908.56x = 164,033.16 × 90,565.04
  4. Step 4: Simplify right side
    118,908.56x = 14,855,669,696.73
  5. Step 5: Solve for x
    x = 14,855,669,696.73/118,908.56
  6. Step 6: Final answer
    x = 124,933.56

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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.