Home / 104,225.20-156,410.70-66,876.10

Finding the Fourth Proportional to 104,225.20, 156,410.70 and 66,876.10

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Solution

The fourth proportional to 104,225.20, 156,410.70 and 66,876.10 is: 100,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,225.20 : 156,410.70 = 66,876.10 : x
  2. Step 2: Convert to fraction form
    104,225.20/156,410.70 = 66,876.10/x
  3. Step 3: Cross multiply
    104,225.20x = 156,410.70 × 66,876.10
  4. Step 4: Simplify right side
    104,225.20x = 10,460,137,614.27
  5. Step 5: Solve for x
    x = 10,460,137,614.27/104,225.20
  6. Step 6: Final answer
    x = 100,360.93

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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.