Home / 140,582.70-194,005.53-76,923.18

Finding the Fourth Proportional to 140,582.70, 194,005.53 and 76,923.18

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Solution

The fourth proportional to 140,582.70, 194,005.53 and 76,923.18 is: 106,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,582.70 : 194,005.53 = 76,923.18 : x
  2. Step 2: Convert to fraction form
    140,582.70/194,005.53 = 76,923.18/x
  3. Step 3: Cross multiply
    140,582.70x = 194,005.53 × 76,923.18
  4. Step 4: Simplify right side
    140,582.70x = 14,923,522,305.19
  5. Step 5: Solve for x
    x = 14,923,522,305.19/140,582.70
  6. Step 6: Final answer
    x = 106,154.76

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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.