Home / 149,916.51-206,864.80-96,274.19

Finding the Fourth Proportional to 149,916.51, 206,864.80 and 96,274.19

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Solution

The fourth proportional to 149,916.51, 206,864.80 and 96,274.19 is: 132,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,916.51 : 206,864.80 = 96,274.19 : x
  2. Step 2: Convert to fraction form
    149,916.51/206,864.80 = 96,274.19/x
  3. Step 3: Cross multiply
    149,916.51x = 206,864.80 × 96,274.19
  4. Step 4: Simplify right side
    149,916.51x = 19,915,741,059.51
  5. Step 5: Solve for x
    x = 19,915,741,059.51/149,916.51
  6. Step 6: Final answer
    x = 132,845.55

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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.