Home / 190,077.25-262,278.38-115,446.88

Finding the Fourth Proportional to 190,077.25, 262,278.38 and 115,446.88

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Solution

The fourth proportional to 190,077.25, 262,278.38 and 115,446.88 is: 159,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,077.25 : 262,278.38 = 115,446.88 : x
  2. Step 2: Convert to fraction form
    190,077.25/262,278.38 = 115,446.88/x
  3. Step 3: Cross multiply
    190,077.25x = 262,278.38 × 115,446.88
  4. Step 4: Simplify right side
    190,077.25x = 30,279,218,773.83
  5. Step 5: Solve for x
    x = 30,279,218,773.83/190,077.25
  6. Step 6: Final answer
    x = 159,299.54

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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.