Home / 189,553.52-261,597.64-109,006.32

Finding the Fourth Proportional to 189,553.52, 261,597.64 and 109,006.32

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Solution

The fourth proportional to 189,553.52, 261,597.64 and 109,006.32 is: 150,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,553.52 : 261,597.64 = 109,006.32 : x
  2. Step 2: Convert to fraction form
    189,553.52/261,597.64 = 109,006.32/x
  3. Step 3: Cross multiply
    189,553.52x = 261,597.64 × 109,006.32
  4. Step 4: Simplify right side
    189,553.52x = 28,515,796,057.08
  5. Step 5: Solve for x
    x = 28,515,796,057.08/189,553.52
  6. Step 6: Final answer
    x = 150,436.65

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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.