Home / 119,916.07-165,479.84-66,199.93

Finding the Fourth Proportional to 119,916.07, 165,479.84 and 66,199.93

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Solution

The fourth proportional to 119,916.07, 165,479.84 and 66,199.93 is: 91,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.07 : 165,479.84 = 66,199.93 : x
  2. Step 2: Convert to fraction form
    119,916.07/165,479.84 = 66,199.93/x
  3. Step 3: Cross multiply
    119,916.07x = 165,479.84 × 66,199.93
  4. Step 4: Simplify right side
    119,916.07x = 10,954,753,493.41
  5. Step 5: Solve for x
    x = 10,954,753,493.41/119,916.07
  6. Step 6: Final answer
    x = 91,353.51

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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.