Home / 149,920.16-206,869.80-96,277.83

Finding the Fourth Proportional to 149,920.16, 206,869.80 and 96,277.83

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Solution

The fourth proportional to 149,920.16, 206,869.80 and 96,277.83 is: 132,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.16 : 206,869.80 = 96,277.83 : x
  2. Step 2: Convert to fraction form
    149,920.16/206,869.80 = 96,277.83/x
  3. Step 3: Cross multiply
    149,920.16x = 206,869.80 × 96,277.83
  4. Step 4: Simplify right side
    149,920.16x = 19,916,975,021.81
  5. Step 5: Solve for x
    x = 19,916,975,021.81/149,920.16
  6. Step 6: Final answer
    x = 132,850.55

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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.