Home / 161,193.93-222,431.04-100,771.23

Finding the Fourth Proportional to 161,193.93, 222,431.04 and 100,771.23

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Solution

The fourth proportional to 161,193.93, 222,431.04 and 100,771.23 is: 139,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,193.93 : 222,431.04 = 100,771.23 : x
  2. Step 2: Convert to fraction form
    161,193.93/222,431.04 = 100,771.23/x
  3. Step 3: Cross multiply
    161,193.93x = 222,431.04 × 100,771.23
  4. Step 4: Simplify right side
    161,193.93x = 22,414,649,490.98
  5. Step 5: Solve for x
    x = 22,414,649,490.98/161,193.93
  6. Step 6: Final answer
    x = 139,053.93

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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.