Home / 213,201.20-294,218.52-116,405.36

Finding the Fourth Proportional to 213,201.20, 294,218.52 and 116,405.36

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Solution

The fourth proportional to 213,201.20, 294,218.52 and 116,405.36 is: 160,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,201.20 : 294,218.52 = 116,405.36 : x
  2. Step 2: Convert to fraction form
    213,201.20/294,218.52 = 116,405.36/x
  3. Step 3: Cross multiply
    213,201.20x = 294,218.52 × 116,405.36
  4. Step 4: Simplify right side
    213,201.20x = 34,248,612,739.27
  5. Step 5: Solve for x
    x = 34,248,612,739.27/213,201.20
  6. Step 6: Final answer
    x = 160,639.87

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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.