Home / 282,098.23-389,295.54-161,242.12

Finding the Fourth Proportional to 282,098.23, 389,295.54 and 161,242.12

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Solution

The fourth proportional to 282,098.23, 389,295.54 and 161,242.12 is: 222,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,098.23 : 389,295.54 = 161,242.12 : x
  2. Step 2: Convert to fraction form
    282,098.23/389,295.54 = 161,242.12/x
  3. Step 3: Cross multiply
    282,098.23x = 389,295.54 × 161,242.12
  4. Step 4: Simplify right side
    282,098.23x = 62,770,838,176.14
  5. Step 5: Solve for x
    x = 62,770,838,176.14/282,098.23
  6. Step 6: Final answer
    x = 222,514.12

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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.