Home / 213,182.15-294,183.65-117,686.80

Finding the Fourth Proportional to 213,182.15, 294,183.65 and 117,686.80

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Solution

The fourth proportional to 213,182.15, 294,183.65 and 117,686.80 is: 162,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,182.15 : 294,183.65 = 117,686.80 : x
  2. Step 2: Convert to fraction form
    213,182.15/294,183.65 = 117,686.80/x
  3. Step 3: Cross multiply
    213,182.15x = 294,183.65 × 117,686.80
  4. Step 4: Simplify right side
    213,182.15x = 34,621,532,380.82
  5. Step 5: Solve for x
    x = 34,621,532,380.82/213,182.15
  6. Step 6: Final answer
    x = 162,403.52

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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.