Home / 302,986.82-418,103.03-167,013.74

Finding the Fourth Proportional to 302,986.82, 418,103.03 and 167,013.74

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Solution

The fourth proportional to 302,986.82, 418,103.03 and 167,013.74 is: 230,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,986.82 : 418,103.03 = 167,013.74 : x
  2. Step 2: Convert to fraction form
    302,986.82/418,103.03 = 167,013.74/x
  3. Step 3: Cross multiply
    302,986.82x = 418,103.03 × 167,013.74
  4. Step 4: Simplify right side
    302,986.82x = 69,828,947,820.05
  5. Step 5: Solve for x
    x = 69,828,947,820.05/302,986.82
  6. Step 6: Final answer
    x = 230,468.60

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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.