Home / 282,042.76-389,215.38-161,182.66

Finding the Fourth Proportional to 282,042.76, 389,215.38 and 161,182.66

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Solution

The fourth proportional to 282,042.76, 389,215.38 and 161,182.66 is: 222,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,042.76 : 389,215.38 = 161,182.66 : x
  2. Step 2: Convert to fraction form
    282,042.76/389,215.38 = 161,182.66/x
  3. Step 3: Cross multiply
    282,042.76x = 389,215.38 × 161,182.66
  4. Step 4: Simplify right side
    282,042.76x = 62,734,770,261.31
  5. Step 5: Solve for x
    x = 62,734,770,261.31/282,042.76
  6. Step 6: Final answer
    x = 222,430.00

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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.