Home / 140,968.84-194,545.86-77,306.66

Finding the Fourth Proportional to 140,968.84, 194,545.86 and 77,306.66

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Solution

The fourth proportional to 140,968.84, 194,545.86 and 77,306.66 is: 106,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,968.84 : 194,545.86 = 77,306.66 : x
  2. Step 2: Convert to fraction form
    140,968.84/194,545.86 = 77,306.66/x
  3. Step 3: Cross multiply
    140,968.84x = 194,545.86 × 77,306.66
  4. Step 4: Simplify right side
    140,968.84x = 15,039,690,653.43
  5. Step 5: Solve for x
    x = 15,039,690,653.43/140,968.84
  6. Step 6: Final answer
    x = 106,688.05

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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.