Home / 236,022.66-353,718.70-86,122.04

Finding the Fourth Proportional to 236,022.66, 353,718.70 and 86,122.04

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Solution

The fourth proportional to 236,022.66, 353,718.70 and 86,122.04 is: 129,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,022.66 : 353,718.70 = 86,122.04 : x
  2. Step 2: Convert to fraction form
    236,022.66/353,718.70 = 86,122.04/x
  3. Step 3: Cross multiply
    236,022.66x = 353,718.70 × 86,122.04
  4. Step 4: Simplify right side
    236,022.66x = 30,462,974,046.25
  5. Step 5: Solve for x
    x = 30,462,974,046.25/236,022.66
  6. Step 6: Final answer
    x = 129,068.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.