Home / 140,770.76-194,268.66-77,111.24

Finding the Fourth Proportional to 140,770.76, 194,268.66 and 77,111.24

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Solution

The fourth proportional to 140,770.76, 194,268.66 and 77,111.24 is: 106,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,770.76 : 194,268.66 = 77,111.24 : x
  2. Step 2: Convert to fraction form
    140,770.76/194,268.66 = 77,111.24/x
  3. Step 3: Cross multiply
    140,770.76x = 194,268.66 × 77,111.24
  4. Step 4: Simplify right side
    140,770.76x = 14,980,297,265.74
  5. Step 5: Solve for x
    x = 14,980,297,265.74/140,770.76
  6. Step 6: Final answer
    x = 106,416.26

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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.