Home / 175,985.40-263,619.70-109,220.60

Finding the Fourth Proportional to 175,985.40, 263,619.70 and 109,220.60

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Solution

The fourth proportional to 175,985.40, 263,619.70 and 109,220.60 is: 163,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,985.40 : 263,619.70 = 109,220.60 : x
  2. Step 2: Convert to fraction form
    175,985.40/263,619.70 = 109,220.60/x
  3. Step 3: Cross multiply
    175,985.40x = 263,619.70 × 109,220.60
  4. Step 4: Simplify right side
    175,985.40x = 28,792,701,805.82
  5. Step 5: Solve for x
    x = 28,792,701,805.82/175,985.40
  6. Step 6: Final answer
    x = 163,608.47

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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.