Home / 140,585.26-194,007.54-76,923.32

Finding the Fourth Proportional to 140,585.26, 194,007.54 and 76,923.32

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Solution

The fourth proportional to 140,585.26, 194,007.54 and 76,923.32 is: 106,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,585.26 : 194,007.54 = 76,923.32 : x
  2. Step 2: Convert to fraction form
    140,585.26/194,007.54 = 76,923.32/x
  3. Step 3: Cross multiply
    140,585.26x = 194,007.54 × 76,923.32
  4. Step 4: Simplify right side
    140,585.26x = 14,923,704,081.83
  5. Step 5: Solve for x
    x = 14,923,704,081.83/140,585.26
  6. Step 6: Final answer
    x = 106,154.12

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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.