Home / 119,903.68-165,476.24-66,199.04

Finding the Fourth Proportional to 119,903.68, 165,476.24 and 66,199.04

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Solution

The fourth proportional to 119,903.68, 165,476.24 and 66,199.04 is: 91,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,903.68 : 165,476.24 = 66,199.04 : x
  2. Step 2: Convert to fraction form
    119,903.68/165,476.24 = 66,199.04/x
  3. Step 3: Cross multiply
    119,903.68x = 165,476.24 × 66,199.04
  4. Step 4: Simplify right side
    119,903.68x = 10,954,368,230.81
  5. Step 5: Solve for x
    x = 10,954,368,230.81/119,903.68
  6. Step 6: Final answer
    x = 91,359.73

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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.