Home / 282,026.30-389,216.10-161,185.46

Finding the Fourth Proportional to 282,026.30, 389,216.10 and 161,185.46

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Solution

The fourth proportional to 282,026.30, 389,216.10 and 161,185.46 is: 222,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,026.30 : 389,216.10 = 161,185.46 : x
  2. Step 2: Convert to fraction form
    282,026.30/389,216.10 = 161,185.46/x
  3. Step 3: Cross multiply
    282,026.30x = 389,216.10 × 161,185.46
  4. Step 4: Simplify right side
    282,026.30x = 62,735,976,117.91
  5. Step 5: Solve for x
    x = 62,735,976,117.91/282,026.30
  6. Step 6: Final answer
    x = 222,447.25

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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.