Home / 216,125.36-298,217.32-120,632.03

Finding the Fourth Proportional to 216,125.36, 298,217.32 and 120,632.03

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Solution

The fourth proportional to 216,125.36, 298,217.32 and 120,632.03 is: 166,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,125.36 : 298,217.32 = 120,632.03 : x
  2. Step 2: Convert to fraction form
    216,125.36/298,217.32 = 120,632.03/x
  3. Step 3: Cross multiply
    216,125.36x = 298,217.32 × 120,632.03
  4. Step 4: Simplify right side
    216,125.36x = 35,974,558,900.09
  5. Step 5: Solve for x
    x = 35,974,558,900.09/216,125.36
  6. Step 6: Final answer
    x = 166,452.28

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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.