Home / 302,986.57-418,102.68-167,013.49

Finding the Fourth Proportional to 302,986.57, 418,102.68 and 167,013.49

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Solution

The fourth proportional to 302,986.57, 418,102.68 and 167,013.49 is: 230,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,986.57 : 418,102.68 = 167,013.49 : x
  2. Step 2: Convert to fraction form
    302,986.57/418,102.68 = 167,013.49/x
  3. Step 3: Cross multiply
    302,986.57x = 418,102.68 × 167,013.49
  4. Step 4: Simplify right side
    302,986.57x = 69,828,785,674.64
  5. Step 5: Solve for x
    x = 69,828,785,674.64/302,986.57
  6. Step 6: Final answer
    x = 230,468.26

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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.