Home / 171,781.17-236,902.68-107,256.23

Finding the Fourth Proportional to 171,781.17, 236,902.68 and 107,256.23

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Solution

The fourth proportional to 171,781.17, 236,902.68 and 107,256.23 is: 147,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,781.17 : 236,902.68 = 107,256.23 : x
  2. Step 2: Convert to fraction form
    171,781.17/236,902.68 = 107,256.23/x
  3. Step 3: Cross multiply
    171,781.17x = 236,902.68 × 107,256.23
  4. Step 4: Simplify right side
    171,781.17x = 25,409,287,149.18
  5. Step 5: Solve for x
    x = 25,409,287,149.18/171,781.17
  6. Step 6: Final answer
    x = 147,916.60

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1.5x scale

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.