Home / 302,963.28-454,456.49-113,403.71

Finding the Fourth Proportional to 302,963.28, 454,456.49 and 113,403.71

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Solution

The fourth proportional to 302,963.28, 454,456.49 and 113,403.71 is: 170,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,963.28 : 454,456.49 = 113,403.71 : x
  2. Step 2: Convert to fraction form
    302,963.28/454,456.49 = 113,403.71/x
  3. Step 3: Cross multiply
    302,963.28x = 454,456.49 × 113,403.71
  4. Step 4: Simplify right side
    302,963.28x = 51,537,049,160.28
  5. Step 5: Solve for x
    x = 51,537,049,160.28/302,963.28
  6. Step 6: Final answer
    x = 170,109.89

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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.