Home / 190,690.96-263,136.13-113,153.24

Finding the Fourth Proportional to 190,690.96, 263,136.13 and 113,153.24

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Solution

The fourth proportional to 190,690.96, 263,136.13 and 113,153.24 is: 156,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.96 : 263,136.13 = 113,153.24 : x
  2. Step 2: Convert to fraction form
    190,690.96/263,136.13 = 113,153.24/x
  3. Step 3: Cross multiply
    190,690.96x = 263,136.13 × 113,153.24
  4. Step 4: Simplify right side
    190,690.96x = 29,774,705,305.45
  5. Step 5: Solve for x
    x = 29,774,705,305.45/190,690.96
  6. Step 6: Final answer
    x = 156,141.15

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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.