Home / 351,631.11-485,250.48-190,486.83

Finding the Fourth Proportional to 351,631.11, 485,250.48 and 190,486.83

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Solution

The fourth proportional to 351,631.11, 485,250.48 and 190,486.83 is: 262,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,631.11 : 485,250.48 = 190,486.83 : x
  2. Step 2: Convert to fraction form
    351,631.11/485,250.48 = 190,486.83/x
  3. Step 3: Cross multiply
    351,631.11x = 485,250.48 × 190,486.83
  4. Step 4: Simplify right side
    351,631.11x = 92,433,825,691.18
  5. Step 5: Solve for x
    x = 92,433,825,691.18/351,631.11
  6. Step 6: Final answer
    x = 262,871.58

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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.