Home / 190,305.86-262,650.07-109,717.65

Finding the Fourth Proportional to 190,305.86, 262,650.07 and 109,717.65

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Solution

The fourth proportional to 190,305.86, 262,650.07 and 109,717.65 is: 151,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,305.86 : 262,650.07 = 109,717.65 : x
  2. Step 2: Convert to fraction form
    190,305.86/262,650.07 = 109,717.65/x
  3. Step 3: Cross multiply
    190,305.86x = 262,650.07 × 109,717.65
  4. Step 4: Simplify right side
    190,305.86x = 28,817,348,178.44
  5. Step 5: Solve for x
    x = 28,817,348,178.44/190,305.86
  6. Step 6: Final answer
    x = 151,426.49

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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.