Home / 109,674.30-164,511.45-43,116.60

Finding the Fourth Proportional to 109,674.30, 164,511.45 and 43,116.60

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Solution

The fourth proportional to 109,674.30, 164,511.45 and 43,116.60 is: 64,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,674.30 : 164,511.45 = 43,116.60 : x
  2. Step 2: Convert to fraction form
    109,674.30/164,511.45 = 43,116.60/x
  3. Step 3: Cross multiply
    109,674.30x = 164,511.45 × 43,116.60
  4. Step 4: Simplify right side
    109,674.30x = 7,093,174,385.07
  5. Step 5: Solve for x
    x = 7,093,174,385.07/109,674.30
  6. Step 6: Final answer
    x = 64,674.90

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1.5x scale

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.