Home / 216,443.40-298,691.19-120,950.07

Finding the Fourth Proportional to 216,443.40, 298,691.19 and 120,950.07

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Solution

The fourth proportional to 216,443.40, 298,691.19 and 120,950.07 is: 166,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,443.40 : 298,691.19 = 120,950.07 : x
  2. Step 2: Convert to fraction form
    216,443.40/298,691.19 = 120,950.07/x
  3. Step 3: Cross multiply
    216,443.40x = 298,691.19 × 120,950.07
  4. Step 4: Simplify right side
    216,443.40x = 36,126,720,338.88
  5. Step 5: Solve for x
    x = 36,126,720,338.88/216,443.40
  6. Step 6: Final answer
    x = 166,910.70

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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.