Home / 104,720.49-156,072.65-104,554.44

Finding the Fourth Proportional to 104,720.49, 156,072.65 and 104,554.44

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Solution

The fourth proportional to 104,720.49, 156,072.65 and 104,554.44 is: 155,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.49 : 156,072.65 = 104,554.44 : x
  2. Step 2: Convert to fraction form
    104,720.49/156,072.65 = 104,554.44/x
  3. Step 3: Cross multiply
    104,720.49x = 156,072.65 × 104,554.44
  4. Step 4: Simplify right side
    104,720.49x = 16,318,087,997.29
  5. Step 5: Solve for x
    x = 16,318,087,997.29/104,720.49
  6. Step 6: Final answer
    x = 155,825.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.