Home / 165,436.36-248,157.78-47,110.74

Finding the Fourth Proportional to 165,436.36, 248,157.78 and 47,110.74

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Solution

The fourth proportional to 165,436.36, 248,157.78 and 47,110.74 is: 70,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,436.36 : 248,157.78 = 47,110.74 : x
  2. Step 2: Convert to fraction form
    165,436.36/248,157.78 = 47,110.74/x
  3. Step 3: Cross multiply
    165,436.36x = 248,157.78 × 47,110.74
  4. Step 4: Simplify right side
    165,436.36x = 11,690,896,652.56
  5. Step 5: Solve for x
    x = 11,690,896,652.56/165,436.36
  6. Step 6: Final answer
    x = 70,667.03

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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.