Home / 104,064.04-156,095.85-80,405.96

Finding the Fourth Proportional to 104,064.04, 156,095.85 and 80,405.96

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Solution

The fourth proportional to 104,064.04, 156,095.85 and 80,405.96 is: 120,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.04 : 156,095.85 = 80,405.96 : x
  2. Step 2: Convert to fraction form
    104,064.04/156,095.85 = 80,405.96/x
  3. Step 3: Cross multiply
    104,064.04x = 156,095.85 × 80,405.96
  4. Step 4: Simplify right side
    104,064.04x = 12,551,037,061.51
  5. Step 5: Solve for x
    x = 12,551,037,061.51/104,064.04
  6. Step 6: Final answer
    x = 120,608.78

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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.