Home / 103,694.80-155,153.40-94,363.60

Finding the Fourth Proportional to 103,694.80, 155,153.40 and 94,363.60

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Solution

The fourth proportional to 103,694.80, 155,153.40 and 94,363.60 is: 141,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.80 : 155,153.40 = 94,363.60 : x
  2. Step 2: Convert to fraction form
    103,694.80/155,153.40 = 94,363.60/x
  3. Step 3: Cross multiply
    103,694.80x = 155,153.40 × 94,363.60
  4. Step 4: Simplify right side
    103,694.80x = 14,640,833,376.24
  5. Step 5: Solve for x
    x = 14,640,833,376.24/103,694.80
  6. Step 6: Final answer
    x = 141,191.59

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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.