Home / 109,042.20-164,000.70-97,669.80

Finding the Fourth Proportional to 109,042.20, 164,000.70 and 97,669.80

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Solution

The fourth proportional to 109,042.20, 164,000.70 and 97,669.80 is: 146,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042.20 : 164,000.70 = 97,669.80 : x
  2. Step 2: Convert to fraction form
    109,042.20/164,000.70 = 97,669.80/x
  3. Step 3: Cross multiply
    109,042.20x = 164,000.70 × 97,669.80
  4. Step 4: Simplify right side
    109,042.20x = 16,017,915,568.86
  5. Step 5: Solve for x
    x = 16,017,915,568.86/109,042.20
  6. Step 6: Final answer
    x = 146,896.48

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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.