Home / 190,108.32-262,407.92-109,589.68

Finding the Fourth Proportional to 190,108.32, 262,407.92 and 109,589.68

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Solution

The fourth proportional to 190,108.32, 262,407.92 and 109,589.68 is: 151,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,108.32 : 262,407.92 = 109,589.68 : x
  2. Step 2: Convert to fraction form
    190,108.32/262,407.92 = 109,589.68/x
  3. Step 3: Cross multiply
    190,108.32x = 262,407.92 × 109,589.68
  4. Step 4: Simplify right side
    190,108.32x = 28,757,199,982.27
  5. Step 5: Solve for x
    x = 28,757,199,982.27/190,108.32
  6. Step 6: Final answer
    x = 151,267.45

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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.