Home / 109,813.10-164,622.45-98,003.30

Finding the Fourth Proportional to 109,813.10, 164,622.45 and 98,003.30

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Solution

The fourth proportional to 109,813.10, 164,622.45 and 98,003.30 is: 146,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,813.10 : 164,622.45 = 98,003.30 : x
  2. Step 2: Convert to fraction form
    109,813.10/164,622.45 = 98,003.30/x
  3. Step 3: Cross multiply
    109,813.10x = 164,622.45 × 98,003.30
  4. Step 4: Simplify right side
    109,813.10x = 16,133,543,354.09
  5. Step 5: Solve for x
    x = 16,133,543,354.09/109,813.10
  6. Step 6: Final answer
    x = 146,918.20

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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.