Home / 106,315.20-159,545.70-47,193.30

Finding the Fourth Proportional to 106,315.20, 159,545.70 and 47,193.30

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Solution

The fourth proportional to 106,315.20, 159,545.70 and 47,193.30 is: 70,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315.20 : 159,545.70 = 47,193.30 : x
  2. Step 2: Convert to fraction form
    106,315.20/159,545.70 = 47,193.30/x
  3. Step 3: Cross multiply
    106,315.20x = 159,545.70 × 47,193.30
  4. Step 4: Simplify right side
    106,315.20x = 7,529,488,083.81
  5. Step 5: Solve for x
    x = 7,529,488,083.81/106,315.20
  6. Step 6: Final answer
    x = 70,822.31

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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.