Home / 219,517.24-302,934.72-118,915.24

Finding the Fourth Proportional to 219,517.24, 302,934.72 and 118,915.24

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Solution

The fourth proportional to 219,517.24, 302,934.72 and 118,915.24 is: 164,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,517.24 : 302,934.72 = 118,915.24 : x
  2. Step 2: Convert to fraction form
    219,517.24/302,934.72 = 118,915.24/x
  3. Step 3: Cross multiply
    219,517.24x = 302,934.72 × 118,915.24
  4. Step 4: Simplify right side
    219,517.24x = 36,023,554,933.13
  5. Step 5: Solve for x
    x = 36,023,554,933.13/219,517.24
  6. Step 6: Final answer
    x = 164,103.53

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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.