Home / 263,565.89-363,719.39-142,704.68

Finding the Fourth Proportional to 263,565.89, 363,719.39 and 142,704.68

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Solution

The fourth proportional to 263,565.89, 363,719.39 and 142,704.68 is: 196,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,565.89 : 363,719.39 = 142,704.68 : x
  2. Step 2: Convert to fraction form
    263,565.89/363,719.39 = 142,704.68/x
  3. Step 3: Cross multiply
    263,565.89x = 363,719.39 × 142,704.68
  4. Step 4: Simplify right side
    263,565.89x = 51,904,459,159.75
  5. Step 5: Solve for x
    x = 51,904,459,159.75/263,565.89
  6. Step 6: Final answer
    x = 196,931.63

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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.