Home / 351,525.28-485,105.27-190,380.51

Finding the Fourth Proportional to 351,525.28, 485,105.27 and 190,380.51

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Solution

The fourth proportional to 351,525.28, 485,105.27 and 190,380.51 is: 262,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,525.28 : 485,105.27 = 190,380.51 : x
  2. Step 2: Convert to fraction form
    351,525.28/485,105.27 = 190,380.51/x
  3. Step 3: Cross multiply
    351,525.28x = 485,105.27 × 190,380.51
  4. Step 4: Simplify right side
    351,525.28x = 92,354,586,280.76
  5. Step 5: Solve for x
    x = 92,354,586,280.76/351,525.28
  6. Step 6: Final answer
    x = 262,725.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.