Home / 351,933.34-485,665.13-190,784.25

Finding the Fourth Proportional to 351,933.34, 485,665.13 and 190,784.25

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Solution

The fourth proportional to 351,933.34, 485,665.13 and 190,784.25 is: 263,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,933.34 : 485,665.13 = 190,784.25 : x
  2. Step 2: Convert to fraction form
    351,933.34/485,665.13 = 190,784.25/x
  3. Step 3: Cross multiply
    351,933.34x = 485,665.13 × 190,784.25
  4. Step 4: Simplify right side
    351,933.34x = 92,657,257,578.20
  5. Step 5: Solve for x
    x = 92,657,257,578.20/351,933.34
  6. Step 6: Final answer
    x = 263,280.70

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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.