Home / 219,817.63-329,554.20-86,797.46

Finding the Fourth Proportional to 219,817.63, 329,554.20 and 86,797.46

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Solution

The fourth proportional to 219,817.63, 329,554.20 and 86,797.46 is: 130,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,817.63 : 329,554.20 = 86,797.46 : x
  2. Step 2: Convert to fraction form
    219,817.63/329,554.20 = 86,797.46/x
  3. Step 3: Cross multiply
    219,817.63x = 329,554.20 × 86,797.46
  4. Step 4: Simplify right side
    219,817.63x = 28,604,467,492.33
  5. Step 5: Solve for x
    x = 28,604,467,492.33/219,817.63
  6. Step 6: Final answer
    x = 130,128.18

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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.