Home / 263,644.23-363,829.34-142,785.66

Finding the Fourth Proportional to 263,644.23, 363,829.34 and 142,785.66

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Solution

The fourth proportional to 263,644.23, 363,829.34 and 142,785.66 is: 197,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,644.23 : 363,829.34 = 142,785.66 : x
  2. Step 2: Convert to fraction form
    263,644.23/363,829.34 = 142,785.66/x
  3. Step 3: Cross multiply
    263,644.23x = 363,829.34 × 142,785.66
  4. Step 4: Simplify right side
    263,644.23x = 51,949,611,725.34
  5. Step 5: Solve for x
    x = 51,949,611,725.34/263,644.23
  6. Step 6: Final answer
    x = 197,044.37

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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.