Home / 104,193.75-156,290.63-25,307.45

Finding the Fourth Proportional to 104,193.75, 156,290.63 and 25,307.45

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Solution

The fourth proportional to 104,193.75, 156,290.63 and 25,307.45 is: 37,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,193.75 : 156,290.63 = 25,307.45 : x
  2. Step 2: Convert to fraction form
    104,193.75/156,290.63 = 25,307.45/x
  3. Step 3: Cross multiply
    104,193.75x = 156,290.63 × 25,307.45
  4. Step 4: Simplify right side
    104,193.75x = 3,955,317,172.10
  5. Step 5: Solve for x
    x = 3,955,317,172.10/104,193.75
  6. Step 6: Final answer
    x = 37,961.17

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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.