Home / 114,035.11-171,080.55-80,366.81

Finding the Fourth Proportional to 114,035.11, 171,080.55 and 80,366.81

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Solution

The fourth proportional to 114,035.11, 171,080.55 and 80,366.81 is: 120,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,035.11 : 171,080.55 = 80,366.81 : x
  2. Step 2: Convert to fraction form
    114,035.11/171,080.55 = 80,366.81/x
  3. Step 3: Cross multiply
    114,035.11x = 171,080.55 × 80,366.81
  4. Step 4: Simplify right side
    114,035.11x = 13,749,198,056.55
  5. Step 5: Solve for x
    x = 13,749,198,056.55/114,035.11
  6. Step 6: Final answer
    x = 120,569.87

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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.