Home / 213,153.92-294,146.84-117,658.56

Finding the Fourth Proportional to 213,153.92, 294,146.84 and 117,658.56

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Solution

The fourth proportional to 213,153.92, 294,146.84 and 117,658.56 is: 162,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,153.92 : 294,146.84 = 117,658.56 : x
  2. Step 2: Convert to fraction form
    213,153.92/294,146.84 = 117,658.56/x
  3. Step 3: Cross multiply
    213,153.92x = 294,146.84 × 117,658.56
  4. Step 4: Simplify right side
    213,153.92x = 34,608,893,622.95
  5. Step 5: Solve for x
    x = 34,608,893,622.95/213,153.92
  6. Step 6: Final answer
    x = 162,365.74

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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.