Home / 177,999.75-245,639.66-98,511.75

Finding the Fourth Proportional to 177,999.75, 245,639.66 and 98,511.75

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Solution

The fourth proportional to 177,999.75, 245,639.66 and 98,511.75 is: 135,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,999.75 : 245,639.66 = 98,511.75 : x
  2. Step 2: Convert to fraction form
    177,999.75/245,639.66 = 98,511.75/x
  3. Step 3: Cross multiply
    177,999.75x = 245,639.66 × 98,511.75
  4. Step 4: Simplify right side
    177,999.75x = 24,198,392,283.45
  5. Step 5: Solve for x
    x = 24,198,392,283.45/177,999.75
  6. Step 6: Final answer
    x = 135,946.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.