Home / 193,117.20-266,511.96-108,261.36

Finding the Fourth Proportional to 193,117.20, 266,511.96 and 108,261.36

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Solution

The fourth proportional to 193,117.20, 266,511.96 and 108,261.36 is: 149,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,117.20 : 266,511.96 = 108,261.36 : x
  2. Step 2: Convert to fraction form
    193,117.20/266,511.96 = 108,261.36/x
  3. Step 3: Cross multiply
    193,117.20x = 266,511.96 × 108,261.36
  4. Step 4: Simplify right side
    193,117.20x = 28,852,947,245.87
  5. Step 5: Solve for x
    x = 28,852,947,245.87/193,117.20
  6. Step 6: Final answer
    x = 149,406.41

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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.