Home / 195,172.23-269,322.84-118,680.76

Finding the Fourth Proportional to 195,172.23, 269,322.84 and 118,680.76

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Solution

The fourth proportional to 195,172.23, 269,322.84 and 118,680.76 is: 163,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,172.23 : 269,322.84 = 118,680.76 : x
  2. Step 2: Convert to fraction form
    195,172.23/269,322.84 = 118,680.76/x
  3. Step 3: Cross multiply
    195,172.23x = 269,322.84 × 118,680.76
  4. Step 4: Simplify right side
    195,172.23x = 31,963,438,743.15
  5. Step 5: Solve for x
    x = 31,963,438,743.15/195,172.23
  6. Step 6: Final answer
    x = 163,770.43

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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.