Home / 311,096.18-466,644.57-86,456.66

Finding the Fourth Proportional to 311,096.18, 466,644.57 and 86,456.66

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Solution

The fourth proportional to 311,096.18, 466,644.57 and 86,456.66 is: 129,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,096.18 : 466,644.57 = 86,456.66 : x
  2. Step 2: Convert to fraction form
    311,096.18/466,644.57 = 86,456.66/x
  3. Step 3: Cross multiply
    311,096.18x = 466,644.57 × 86,456.66
  4. Step 4: Simplify right side
    311,096.18x = 40,344,528,596.11
  5. Step 5: Solve for x
    x = 40,344,528,596.11/311,096.18
  6. Step 6: Final answer
    x = 129,685.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.