Home / 213,183.90-294,186.07-117,688.54

Finding the Fourth Proportional to 213,183.90, 294,186.07 and 117,688.54

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Solution

The fourth proportional to 213,183.90, 294,186.07 and 117,688.54 is: 162,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,183.90 : 294,186.07 = 117,688.54 : x
  2. Step 2: Convert to fraction form
    213,183.90/294,186.07 = 117,688.54/x
  3. Step 3: Cross multiply
    213,183.90x = 294,186.07 × 117,688.54
  4. Step 4: Simplify right side
    213,183.90x = 34,622,329,066.64
  5. Step 5: Solve for x
    x = 34,622,329,066.64/213,183.90
  6. Step 6: Final answer
    x = 162,405.93

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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.