Home / 104,369.04-156,356.73-80,880.66

Finding the Fourth Proportional to 104,369.04, 156,356.73 and 80,880.66

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Solution

The fourth proportional to 104,369.04, 156,356.73 and 80,880.66 is: 121,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,369.04 : 156,356.73 = 80,880.66 : x
  2. Step 2: Convert to fraction form
    104,369.04/156,356.73 = 80,880.66/x
  3. Step 3: Cross multiply
    104,369.04x = 156,356.73 × 80,880.66
  4. Step 4: Simplify right side
    104,369.04x = 12,646,235,517.84
  5. Step 5: Solve for x
    x = 12,646,235,517.84/104,369.04
  6. Step 6: Final answer
    x = 121,168.46

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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.