Home / 351,631.61-485,251.17-190,487.32

Finding the Fourth Proportional to 351,631.61, 485,251.17 and 190,487.32

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Solution

The fourth proportional to 351,631.61, 485,251.17 and 190,487.32 is: 262,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,631.61 : 485,251.17 = 190,487.32 : x
  2. Step 2: Convert to fraction form
    351,631.61/485,251.17 = 190,487.32/x
  3. Step 3: Cross multiply
    351,631.61x = 485,251.17 × 190,487.32
  4. Step 4: Simplify right side
    351,631.61x = 92,434,194,900.16
  5. Step 5: Solve for x
    x = 92,434,194,900.16/351,631.61
  6. Step 6: Final answer
    x = 262,872.26

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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.