Home / 140,708.16-194,183.04-77,051.52

Finding the Fourth Proportional to 140,708.16, 194,183.04 and 77,051.52

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Solution

The fourth proportional to 140,708.16, 194,183.04 and 77,051.52 is: 106,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.16 : 194,183.04 = 77,051.52 : x
  2. Step 2: Convert to fraction form
    140,708.16/194,183.04 = 77,051.52/x
  3. Step 3: Cross multiply
    140,708.16x = 194,183.04 × 77,051.52
  4. Step 4: Simplify right side
    140,708.16x = 14,962,098,390.22
  5. Step 5: Solve for x
    x = 14,962,098,390.22/140,708.16
  6. Step 6: Final answer
    x = 106,334.26

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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.