Home / 263,527.11-363,664.89-142,665.30

Finding the Fourth Proportional to 263,527.11, 363,664.89 and 142,665.30

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Solution

The fourth proportional to 263,527.11, 363,664.89 and 142,665.30 is: 196,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,527.11 : 363,664.89 = 142,665.30 : x
  2. Step 2: Convert to fraction form
    263,527.11/363,664.89 = 142,665.30/x
  3. Step 3: Cross multiply
    263,527.11x = 363,664.89 × 142,665.30
  4. Step 4: Simplify right side
    263,527.11x = 51,882,360,631.32
  5. Step 5: Solve for x
    x = 51,882,360,631.32/263,527.11
  6. Step 6: Final answer
    x = 196,876.75

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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.