Home / 275,852.18-412,988.83-186,947.60

Finding the Fourth Proportional to 275,852.18, 412,988.83 and 186,947.60

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Solution

The fourth proportional to 275,852.18, 412,988.83 and 186,947.60 is: 279,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,852.18 : 412,988.83 = 186,947.60 : x
  2. Step 2: Convert to fraction form
    275,852.18/412,988.83 = 186,947.60/x
  3. Step 3: Cross multiply
    275,852.18x = 412,988.83 × 186,947.60
  4. Step 4: Simplify right side
    275,852.18x = 77,207,268,062.99
  5. Step 5: Solve for x
    x = 77,207,268,062.99/275,852.18
  6. Step 6: Final answer
    x = 279,886.38

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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.