Home / 190,617.58-263,060.85-105,734.62

Finding the Fourth Proportional to 190,617.58, 263,060.85 and 105,734.62

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Solution

The fourth proportional to 190,617.58, 263,060.85 and 105,734.62 is: 145,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,617.58 : 263,060.85 = 105,734.62 : x
  2. Step 2: Convert to fraction form
    190,617.58/263,060.85 = 105,734.62/x
  3. Step 3: Cross multiply
    190,617.58x = 263,060.85 × 105,734.62
  4. Step 4: Simplify right side
    190,617.58x = 27,814,639,011.63
  5. Step 5: Solve for x
    x = 27,814,639,011.63/190,617.58
  6. Step 6: Final answer
    x = 145,918.54

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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.