Home / 351,532.16-485,114.22-190,387.20

Finding the Fourth Proportional to 351,532.16, 485,114.22 and 190,387.20

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Solution

The fourth proportional to 351,532.16, 485,114.22 and 190,387.20 is: 262,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,532.16 : 485,114.22 = 190,387.20 : x
  2. Step 2: Convert to fraction form
    351,532.16/485,114.22 = 190,387.20/x
  3. Step 3: Cross multiply
    351,532.16x = 485,114.22 × 190,387.20
  4. Step 4: Simplify right side
    351,532.16x = 92,359,538,025.98
  5. Step 5: Solve for x
    x = 92,359,538,025.98/351,532.16
  6. Step 6: Final answer
    x = 262,734.25

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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.