Home / 356,331.22-491,719.60-195,186.98

Finding the Fourth Proportional to 356,331.22, 491,719.60 and 195,186.98

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Solution

The fourth proportional to 356,331.22, 491,719.60 and 195,186.98 is: 269,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,331.22 : 491,719.60 = 195,186.98 : x
  2. Step 2: Convert to fraction form
    356,331.22/491,719.60 = 195,186.98/x
  3. Step 3: Cross multiply
    356,331.22x = 491,719.60 × 195,186.98
  4. Step 4: Simplify right side
    356,331.22x = 95,977,263,730.81
  5. Step 5: Solve for x
    x = 95,977,263,730.81/356,331.22
  6. Step 6: Final answer
    x = 269,348.46

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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.