Home / 190,104.30-262,402.38-109,585.68

Finding the Fourth Proportional to 190,104.30, 262,402.38 and 109,585.68

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Solution

The fourth proportional to 190,104.30, 262,402.38 and 109,585.68 is: 151,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,104.30 : 262,402.38 = 109,585.68 : x
  2. Step 2: Convert to fraction form
    190,104.30/262,402.38 = 109,585.68/x
  3. Step 3: Cross multiply
    190,104.30x = 262,402.38 × 109,585.68
  4. Step 4: Simplify right side
    190,104.30x = 28,755,543,245.92
  5. Step 5: Solve for x
    x = 28,755,543,245.92/190,104.30
  6. Step 6: Final answer
    x = 151,261.93

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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.