Home / 216,035.36-298,143.60-120,560.48

Finding the Fourth Proportional to 216,035.36, 298,143.60 and 120,560.48

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Solution

The fourth proportional to 216,035.36, 298,143.60 and 120,560.48 is: 166,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,035.36 : 298,143.60 = 120,560.48 : x
  2. Step 2: Convert to fraction form
    216,035.36/298,143.60 = 120,560.48/x
  3. Step 3: Cross multiply
    216,035.36x = 298,143.60 × 120,560.48
  4. Step 4: Simplify right side
    216,035.36x = 35,944,335,524.93
  5. Step 5: Solve for x
    x = 35,944,335,524.93/216,035.36
  6. Step 6: Final answer
    x = 166,381.72

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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.