Home / 302,107.86-416,919.82-173,071.28

Finding the Fourth Proportional to 302,107.86, 416,919.82 and 173,071.28

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Solution

The fourth proportional to 302,107.86, 416,919.82 and 173,071.28 is: 238,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,107.86 : 416,919.82 = 173,071.28 : x
  2. Step 2: Convert to fraction form
    302,107.86/416,919.82 = 173,071.28/x
  3. Step 3: Cross multiply
    302,107.86x = 416,919.82 × 173,071.28
  4. Step 4: Simplify right side
    302,107.86x = 72,156,846,904.77
  5. Step 5: Solve for x
    x = 72,156,846,904.77/302,107.86
  6. Step 6: Final answer
    x = 238,844.65

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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.