Home / 195,747.15-270,118.28-115,159.10

Finding the Fourth Proportional to 195,747.15, 270,118.28 and 115,159.10

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Solution

The fourth proportional to 195,747.15, 270,118.28 and 115,159.10 is: 158,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.15 : 270,118.28 = 115,159.10 : x
  2. Step 2: Convert to fraction form
    195,747.15/270,118.28 = 115,159.10/x
  3. Step 3: Cross multiply
    195,747.15x = 270,118.28 × 115,159.10
  4. Step 4: Simplify right side
    195,747.15x = 31,106,576,091.96
  5. Step 5: Solve for x
    x = 31,106,576,091.96/195,747.15
  6. Step 6: Final answer
    x = 158,912.03

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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.