Home / 180,106.92-248,539.80-103,620.24

Finding the Fourth Proportional to 180,106.92, 248,539.80 and 103,620.24

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Solution

The fourth proportional to 180,106.92, 248,539.80 and 103,620.24 is: 142,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,106.92 : 248,539.80 = 103,620.24 : x
  2. Step 2: Convert to fraction form
    180,106.92/248,539.80 = 103,620.24/x
  3. Step 3: Cross multiply
    180,106.92x = 248,539.80 × 103,620.24
  4. Step 4: Simplify right side
    180,106.92x = 25,753,753,725.55
  5. Step 5: Solve for x
    x = 25,753,753,725.55/180,106.92
  6. Step 6: Final answer
    x = 142,991.47

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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.