Home / 190,617.08-263,060.16-105,734.12

Finding the Fourth Proportional to 190,617.08, 263,060.16 and 105,734.12

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Solution

The fourth proportional to 190,617.08, 263,060.16 and 105,734.12 is: 145,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,617.08 : 263,060.16 = 105,734.12 : x
  2. Step 2: Convert to fraction form
    190,617.08/263,060.16 = 105,734.12/x
  3. Step 3: Cross multiply
    190,617.08x = 263,060.16 × 105,734.12
  4. Step 4: Simplify right side
    190,617.08x = 27,814,434,524.66
  5. Step 5: Solve for x
    x = 27,814,434,524.66/190,617.08
  6. Step 6: Final answer
    x = 145,917.85

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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.