Home / 140,582.24-194,006.28-76,921.40

Finding the Fourth Proportional to 140,582.24, 194,006.28 and 76,921.40

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Solution

The fourth proportional to 140,582.24, 194,006.28 and 76,921.40 is: 106,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,582.24 : 194,006.28 = 76,921.40 : x
  2. Step 2: Convert to fraction form
    140,582.24/194,006.28 = 76,921.40/x
  3. Step 3: Cross multiply
    140,582.24x = 194,006.28 × 76,921.40
  4. Step 4: Simplify right side
    140,582.24x = 14,923,234,666.39
  5. Step 5: Solve for x
    x = 14,923,234,666.39/140,582.24
  6. Step 6: Final answer
    x = 106,153.06

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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.