Home / 302,021.20-453,086.20-124,431.12

Finding the Fourth Proportional to 302,021.20, 453,086.20 and 124,431.12

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Solution

The fourth proportional to 302,021.20, 453,086.20 and 124,431.12 is: 186,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,021.20 : 453,086.20 = 124,431.12 : x
  2. Step 2: Convert to fraction form
    302,021.20/453,086.20 = 124,431.12/x
  3. Step 3: Cross multiply
    302,021.20x = 453,086.20 × 124,431.12
  4. Step 4: Simplify right side
    302,021.20x = 56,378,023,322.54
  5. Step 5: Solve for x
    x = 56,378,023,322.54/302,021.20
  6. Step 6: Final answer
    x = 186,669.09

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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.