Home / 108,529.40-162,794.10-97,815.80

Finding the Fourth Proportional to 108,529.40, 162,794.10 and 97,815.80

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Solution

The fourth proportional to 108,529.40, 162,794.10 and 97,815.80 is: 146,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.40 : 162,794.10 = 97,815.80 : x
  2. Step 2: Convert to fraction form
    108,529.40/162,794.10 = 97,815.80/x
  3. Step 3: Cross multiply
    108,529.40x = 162,794.10 × 97,815.80
  4. Step 4: Simplify right side
    108,529.40x = 15,923,835,126.78
  5. Step 5: Solve for x
    x = 15,923,835,126.78/108,529.40
  6. Step 6: Final answer
    x = 146,723.70

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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.