Home / 216,113.52-298,211.58-120,616.98

Finding the Fourth Proportional to 216,113.52, 298,211.58 and 120,616.98

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Solution

The fourth proportional to 216,113.52, 298,211.58 and 120,616.98 is: 166,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,113.52 : 298,211.58 = 120,616.98 : x
  2. Step 2: Convert to fraction form
    216,113.52/298,211.58 = 120,616.98/x
  3. Step 3: Cross multiply
    216,113.52x = 298,211.58 × 120,616.98
  4. Step 4: Simplify right side
    216,113.52x = 35,969,380,180.63
  5. Step 5: Solve for x
    x = 35,969,380,180.63/216,113.52
  6. Step 6: Final answer
    x = 166,437.44

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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.