Home / 302,112.21-416,906.53-166,146.12

Finding the Fourth Proportional to 302,112.21, 416,906.53 and 166,146.12

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Solution

The fourth proportional to 302,112.21, 416,906.53 and 166,146.12 is: 229,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,112.21 : 416,906.53 = 166,146.12 : x
  2. Step 2: Convert to fraction form
    302,112.21/416,906.53 = 166,146.12/x
  3. Step 3: Cross multiply
    302,112.21x = 416,906.53 × 166,146.12
  4. Step 4: Simplify right side
    302,112.21x = 69,267,401,946.80
  5. Step 5: Solve for x
    x = 69,267,401,946.80/302,112.21
  6. Step 6: Final answer
    x = 229,277.07

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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.