Home / 119,097.12-164,353.36-65,383.04

Finding the Fourth Proportional to 119,097.12, 164,353.36 and 65,383.04

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Solution

The fourth proportional to 119,097.12, 164,353.36 and 65,383.04 is: 90,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,097.12 : 164,353.36 = 65,383.04 : x
  2. Step 2: Convert to fraction form
    119,097.12/164,353.36 = 65,383.04/x
  3. Step 3: Cross multiply
    119,097.12x = 164,353.36 × 65,383.04
  4. Step 4: Simplify right side
    119,097.12x = 10,745,922,311.01
  5. Step 5: Solve for x
    x = 10,745,922,311.01/119,097.12
  6. Step 6: Final answer
    x = 90,228.23

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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.