Home / 351,340.39-484,846.45-190,191.30

Finding the Fourth Proportional to 351,340.39, 484,846.45 and 190,191.30

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Solution

The fourth proportional to 351,340.39, 484,846.45 and 190,191.30 is: 262,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,340.39 : 484,846.45 = 190,191.30 : x
  2. Step 2: Convert to fraction form
    351,340.39/484,846.45 = 190,191.30/x
  3. Step 3: Cross multiply
    351,340.39x = 484,846.45 × 190,191.30
  4. Step 4: Simplify right side
    351,340.39x = 92,213,576,625.89
  5. Step 5: Solve for x
    x = 92,213,576,625.89/351,340.39
  6. Step 6: Final answer
    x = 262,462.21

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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.