Home / 263,516.21-363,650.70-142,656.62

Finding the Fourth Proportional to 263,516.21, 363,650.70 and 142,656.62

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Solution

The fourth proportional to 263,516.21, 363,650.70 and 142,656.62 is: 196,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,516.21 : 363,650.70 = 142,656.62 : x
  2. Step 2: Convert to fraction form
    263,516.21/363,650.70 = 142,656.62/x
  3. Step 3: Cross multiply
    263,516.21x = 363,650.70 × 142,656.62
  4. Step 4: Simplify right side
    263,516.21x = 51,877,178,439.34
  5. Step 5: Solve for x
    x = 51,877,178,439.34/263,516.21
  6. Step 6: Final answer
    x = 196,865.23

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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.