Home / 189,562.08-261,680.82-125,069.28

Finding the Fourth Proportional to 189,562.08, 261,680.82 and 125,069.28

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Solution

The fourth proportional to 189,562.08, 261,680.82 and 125,069.28 is: 172,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,562.08 : 261,680.82 = 125,069.28 : x
  2. Step 2: Convert to fraction form
    189,562.08/261,680.82 = 125,069.28/x
  3. Step 3: Cross multiply
    189,562.08x = 261,680.82 × 125,069.28
  4. Step 4: Simplify right side
    189,562.08x = 32,728,230,296.90
  5. Step 5: Solve for x
    x = 32,728,230,296.90/189,562.08
  6. Step 6: Final answer
    x = 172,651.78

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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.