Home / 213,083.20-294,046.21-117,588.65

Finding the Fourth Proportional to 213,083.20, 294,046.21 and 117,588.65

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Solution

The fourth proportional to 213,083.20, 294,046.21 and 117,588.65 is: 162,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,083.20 : 294,046.21 = 117,588.65 : x
  2. Step 2: Convert to fraction form
    213,083.20/294,046.21 = 117,588.65/x
  3. Step 3: Cross multiply
    213,083.20x = 294,046.21 × 117,588.65
  4. Step 4: Simplify right side
    213,083.20x = 34,576,496,871.52
  5. Step 5: Solve for x
    x = 34,576,496,871.52/213,083.20
  6. Step 6: Final answer
    x = 162,267.59

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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.