Home / 281,961.03-389,070.24-161,110.17

Finding the Fourth Proportional to 281,961.03, 389,070.24 and 161,110.17

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Solution

The fourth proportional to 281,961.03, 389,070.24 and 161,110.17 is: 222,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,961.03 : 389,070.24 = 161,110.17 : x
  2. Step 2: Convert to fraction form
    281,961.03/389,070.24 = 161,110.17/x
  3. Step 3: Cross multiply
    281,961.03x = 389,070.24 × 161,110.17
  4. Step 4: Simplify right side
    281,961.03x = 62,683,172,508.34
  5. Step 5: Solve for x
    x = 62,683,172,508.34/281,961.03
  6. Step 6: Final answer
    x = 222,311.48

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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.