Home / 189,264.07-261,190.25-108,707.75

Finding the Fourth Proportional to 189,264.07, 261,190.25 and 108,707.75

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Solution

The fourth proportional to 189,264.07, 261,190.25 and 108,707.75 is: 150,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,264.07 : 261,190.25 = 108,707.75 : x
  2. Step 2: Convert to fraction form
    189,264.07/261,190.25 = 108,707.75/x
  3. Step 3: Cross multiply
    189,264.07x = 261,190.25 × 108,707.75
  4. Step 4: Simplify right side
    189,264.07x = 28,393,403,855.90
  5. Step 5: Solve for x
    x = 28,393,403,855.90/189,264.07
  6. Step 6: Final answer
    x = 150,020.05

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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.