Home / 216,023.93-298,106.82-120,528.57

Finding the Fourth Proportional to 216,023.93, 298,106.82 and 120,528.57

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Solution

The fourth proportional to 216,023.93, 298,106.82 and 120,528.57 is: 166,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,023.93 : 298,106.82 = 120,528.57 : x
  2. Step 2: Convert to fraction form
    216,023.93/298,106.82 = 120,528.57/x
  3. Step 3: Cross multiply
    216,023.93x = 298,106.82 × 120,528.57
  4. Step 4: Simplify right side
    216,023.93x = 35,930,388,721.85
  5. Step 5: Solve for x
    x = 35,930,388,721.85/216,023.93
  6. Step 6: Final answer
    x = 166,325.97

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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.