Home / 179,231.18-247,310.09-102,736.20

Finding the Fourth Proportional to 179,231.18, 247,310.09 and 102,736.20

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Solution

The fourth proportional to 179,231.18, 247,310.09 and 102,736.20 is: 141,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,231.18 : 247,310.09 = 102,736.20 : x
  2. Step 2: Convert to fraction form
    179,231.18/247,310.09 = 102,736.20/x
  3. Step 3: Cross multiply
    179,231.18x = 247,310.09 × 102,736.20
  4. Step 4: Simplify right side
    179,231.18x = 25,407,697,987.19
  5. Step 5: Solve for x
    x = 25,407,697,987.19/179,231.18
  6. Step 6: Final answer
    x = 141,759.36

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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.