Home / 302,429.20-453,816.60-115,574.80

Finding the Fourth Proportional to 302,429.20, 453,816.60 and 115,574.80

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Solution

The fourth proportional to 302,429.20, 453,816.60 and 115,574.80 is: 173,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429.20 : 453,816.60 = 115,574.80 : x
  2. Step 2: Convert to fraction form
    302,429.20/453,816.60 = 115,574.80/x
  3. Step 3: Cross multiply
    302,429.20x = 453,816.60 × 115,574.80
  4. Step 4: Simplify right side
    302,429.20x = 52,449,762,781.68
  5. Step 5: Solve for x
    x = 52,449,762,781.68/302,429.20
  6. Step 6: Final answer
    x = 173,428.24

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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.