Home / 106,822.80-160,234.20-89,456.40

Finding the Fourth Proportional to 106,822.80, 160,234.20 and 89,456.40

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Solution

The fourth proportional to 106,822.80, 160,234.20 and 89,456.40 is: 134,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,822.80 : 160,234.20 = 89,456.40 : x
  2. Step 2: Convert to fraction form
    106,822.80/160,234.20 = 89,456.40/x
  3. Step 3: Cross multiply
    106,822.80x = 160,234.20 × 89,456.40
  4. Step 4: Simplify right side
    106,822.80x = 14,333,974,688.88
  5. Step 5: Solve for x
    x = 14,333,974,688.88/106,822.80
  6. Step 6: Final answer
    x = 134,184.60

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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.