Home / 190,690.46-263,123.61-114,191.64

Finding the Fourth Proportional to 190,690.46, 263,123.61 and 114,191.64

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Solution

The fourth proportional to 190,690.46, 263,123.61 and 114,191.64 is: 157,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.46 : 263,123.61 = 114,191.64 : x
  2. Step 2: Convert to fraction form
    190,690.46/263,123.61 = 114,191.64/x
  3. Step 3: Cross multiply
    190,690.46x = 263,123.61 × 114,191.64
  4. Step 4: Simplify right side
    190,690.46x = 30,046,516,548.62
  5. Step 5: Solve for x
    x = 30,046,516,548.62/190,690.46
  6. Step 6: Final answer
    x = 157,566.96

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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.