Home / 112,127.70-168,025.46-92,278.16

Finding the Fourth Proportional to 112,127.70, 168,025.46 and 92,278.16

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Solution

The fourth proportional to 112,127.70, 168,025.46 and 92,278.16 is: 138,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,127.70 : 168,025.46 = 92,278.16 : x
  2. Step 2: Convert to fraction form
    112,127.70/168,025.46 = 92,278.16/x
  3. Step 3: Cross multiply
    112,127.70x = 168,025.46 × 92,278.16
  4. Step 4: Simplify right side
    112,127.70x = 15,505,079,441.83
  5. Step 5: Solve for x
    x = 15,505,079,441.83/112,127.70
  6. Step 6: Final answer
    x = 138,280.54

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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.