Home / 263,615.85-363,785.38-142,756.16

Finding the Fourth Proportional to 263,615.85, 363,785.38 and 142,756.16

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Solution

The fourth proportional to 263,615.85, 363,785.38 and 142,756.16 is: 197,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,615.85 : 363,785.38 = 142,756.16 : x
  2. Step 2: Convert to fraction form
    263,615.85/363,785.38 = 142,756.16/x
  3. Step 3: Cross multiply
    263,615.85x = 363,785.38 × 142,756.16
  4. Step 4: Simplify right side
    263,615.85x = 51,932,601,737.12
  5. Step 5: Solve for x
    x = 51,932,601,737.12/263,615.85
  6. Step 6: Final answer
    x = 197,001.06

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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.