Home / 213,181.90-294,183.31-117,686.54

Finding the Fourth Proportional to 213,181.90, 294,183.31 and 117,686.54

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Solution

The fourth proportional to 213,181.90, 294,183.31 and 117,686.54 is: 162,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,181.90 : 294,183.31 = 117,686.54 : x
  2. Step 2: Convert to fraction form
    213,181.90/294,183.31 = 117,686.54/x
  3. Step 3: Cross multiply
    213,181.90x = 294,183.31 × 117,686.54
  4. Step 4: Simplify right side
    213,181.90x = 34,621,416,320.89
  5. Step 5: Solve for x
    x = 34,621,416,320.89/213,181.90
  6. Step 6: Final answer
    x = 162,403.17

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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.