Home / 140,706.45-194,174.82-77,044.23

Finding the Fourth Proportional to 140,706.45, 194,174.82 and 77,044.23

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Solution

The fourth proportional to 140,706.45, 194,174.82 and 77,044.23 is: 106,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,706.45 : 194,174.82 = 77,044.23 : x
  2. Step 2: Convert to fraction form
    140,706.45/194,174.82 = 77,044.23/x
  3. Step 3: Cross multiply
    140,706.45x = 194,174.82 × 77,044.23
  4. Step 4: Simplify right side
    140,706.45x = 14,960,049,492.29
  5. Step 5: Solve for x
    x = 14,960,049,492.29/140,706.45
  6. Step 6: Final answer
    x = 106,320.99

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1.5x scale

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.