Home / 220,969.53-304,940.03-125,478.36

Finding the Fourth Proportional to 220,969.53, 304,940.03 and 125,478.36

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Solution

The fourth proportional to 220,969.53, 304,940.03 and 125,478.36 is: 173,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,969.53 : 304,940.03 = 125,478.36 : x
  2. Step 2: Convert to fraction form
    220,969.53/304,940.03 = 125,478.36/x
  3. Step 3: Cross multiply
    220,969.53x = 304,940.03 × 125,478.36
  4. Step 4: Simplify right side
    220,969.53x = 38,263,374,235.36
  5. Step 5: Solve for x
    x = 38,263,374,235.36/220,969.53
  6. Step 6: Final answer
    x = 173,161.31

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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.