Home / 216,099.06-298,233.60-120,620.10

Finding the Fourth Proportional to 216,099.06, 298,233.60 and 120,620.10

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Solution

The fourth proportional to 216,099.06, 298,233.60 and 120,620.10 is: 166,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,099.06 : 298,233.60 = 120,620.10 : x
  2. Step 2: Convert to fraction form
    216,099.06/298,233.60 = 120,620.10/x
  3. Step 3: Cross multiply
    216,099.06x = 298,233.60 × 120,620.10
  4. Step 4: Simplify right side
    216,099.06x = 35,972,966,655.36
  5. Step 5: Solve for x
    x = 35,972,966,655.36/216,099.06
  6. Step 6: Final answer
    x = 166,465.17

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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.