Home / 171,279.79-236,350.10-102,355.58

Finding the Fourth Proportional to 171,279.79, 236,350.10 and 102,355.58

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Solution

The fourth proportional to 171,279.79, 236,350.10 and 102,355.58 is: 141,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,279.79 : 236,350.10 = 102,355.58 : x
  2. Step 2: Convert to fraction form
    171,279.79/236,350.10 = 102,355.58/x
  3. Step 3: Cross multiply
    171,279.79x = 236,350.10 × 102,355.58
  4. Step 4: Simplify right side
    171,279.79x = 24,191,751,568.56
  5. Step 5: Solve for x
    x = 24,191,751,568.56/171,279.79
  6. Step 6: Final answer
    x = 141,241.13

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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.