Home / 236,916.86-355,541.33-136,939.50

Finding the Fourth Proportional to 236,916.86, 355,541.33 and 136,939.50

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Solution

The fourth proportional to 236,916.86, 355,541.33 and 136,939.50 is: 205,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,916.86 : 355,541.33 = 136,939.50 : x
  2. Step 2: Convert to fraction form
    236,916.86/355,541.33 = 136,939.50/x
  3. Step 3: Cross multiply
    236,916.86x = 355,541.33 × 136,939.50
  4. Step 4: Simplify right side
    236,916.86x = 48,687,652,301.88
  5. Step 5: Solve for x
    x = 48,687,652,301.88/236,916.86
  6. Step 6: Final answer
    x = 205,505.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.