Home / 213,649.16-294,160.96-188,138.21

Finding the Fourth Proportional to 213,649.16, 294,160.96 and 188,138.21

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Solution

The fourth proportional to 213,649.16, 294,160.96 and 188,138.21 is: 259,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,649.16 : 294,160.96 = 188,138.21 : x
  2. Step 2: Convert to fraction form
    213,649.16/294,160.96 = 188,138.21/x
  3. Step 3: Cross multiply
    213,649.16x = 294,160.96 × 188,138.21
  4. Step 4: Simplify right side
    213,649.16x = 55,342,916,466.28
  5. Step 5: Solve for x
    x = 55,342,916,466.28/213,649.16
  6. Step 6: Final answer
    x = 259,036.43

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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.