Home / 216,260.15-298,439.64-120,770.46

Finding the Fourth Proportional to 216,260.15, 298,439.64 and 120,770.46

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Solution

The fourth proportional to 216,260.15, 298,439.64 and 120,770.46 is: 166,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,260.15 : 298,439.64 = 120,770.46 : x
  2. Step 2: Convert to fraction form
    216,260.15/298,439.64 = 120,770.46/x
  3. Step 3: Cross multiply
    216,260.15x = 298,439.64 × 120,770.46
  4. Step 4: Simplify right side
    216,260.15x = 36,042,692,605.03
  5. Step 5: Solve for x
    x = 36,042,692,605.03/216,260.15
  6. Step 6: Final answer
    x = 166,663.59

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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.