Home / 351,588.06-485,191.31-190,442.70

Finding the Fourth Proportional to 351,588.06, 485,191.31 and 190,442.70

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Solution

The fourth proportional to 351,588.06, 485,191.31 and 190,442.70 is: 262,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,588.06 : 485,191.31 = 190,442.70 : x
  2. Step 2: Convert to fraction form
    351,588.06/485,191.31 = 190,442.70/x
  3. Step 3: Cross multiply
    351,588.06x = 485,191.31 × 190,442.70
  4. Step 4: Simplify right side
    351,588.06x = 92,401,142,140.72
  5. Step 5: Solve for x
    x = 92,401,142,140.72/351,588.06
  6. Step 6: Final answer
    x = 262,810.81

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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.