Home / 302,147.45-452,729.10-222,431.30

Finding the Fourth Proportional to 302,147.45, 452,729.10 and 222,431.30

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Solution

The fourth proportional to 302,147.45, 452,729.10 and 222,431.30 is: 333,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,147.45 : 452,729.10 = 222,431.30 : x
  2. Step 2: Convert to fraction form
    302,147.45/452,729.10 = 222,431.30/x
  3. Step 3: Cross multiply
    302,147.45x = 452,729.10 × 222,431.30
  4. Step 4: Simplify right side
    302,147.45x = 100,701,122,260.83
  5. Step 5: Solve for x
    x = 100,701,122,260.83/302,147.45
  6. Step 6: Final answer
    x = 333,284.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.