Home / 148,243.57-204,609.75-115,914.24

Finding the Fourth Proportional to 148,243.57, 204,609.75 and 115,914.24

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Solution

The fourth proportional to 148,243.57, 204,609.75 and 115,914.24 is: 159,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,243.57 : 204,609.75 = 115,914.24 : x
  2. Step 2: Convert to fraction form
    148,243.57/204,609.75 = 115,914.24/x
  3. Step 3: Cross multiply
    148,243.57x = 204,609.75 × 115,914.24
  4. Step 4: Simplify right side
    148,243.57x = 23,717,183,667.84
  5. Step 5: Solve for x
    x = 23,717,183,667.84/148,243.57
  6. Step 6: Final answer
    x = 159,987.94

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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.