Home / 109,972.60-164,813.10-97,433.80

Finding the Fourth Proportional to 109,972.60, 164,813.10 and 97,433.80

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Solution

The fourth proportional to 109,972.60, 164,813.10 and 97,433.80 is: 146,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.60 : 164,813.10 = 97,433.80 : x
  2. Step 2: Convert to fraction form
    109,972.60/164,813.10 = 97,433.80/x
  3. Step 3: Cross multiply
    109,972.60x = 164,813.10 × 97,433.80
  4. Step 4: Simplify right side
    109,972.60x = 16,058,366,622.78
  5. Step 5: Solve for x
    x = 16,058,366,622.78/109,972.60
  6. Step 6: Final answer
    x = 146,021.52

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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.