Home / 165,433.60-248,150.40-40,774.60

Finding the Fourth Proportional to 165,433.60, 248,150.40 and 40,774.60

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Solution

The fourth proportional to 165,433.60, 248,150.40 and 40,774.60 is: 61,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,433.60 : 248,150.40 = 40,774.60 : x
  2. Step 2: Convert to fraction form
    165,433.60/248,150.40 = 40,774.60/x
  3. Step 3: Cross multiply
    165,433.60x = 248,150.40 × 40,774.60
  4. Step 4: Simplify right side
    165,433.60x = 10,118,233,299.84
  5. Step 5: Solve for x
    x = 10,118,233,299.84/165,433.60
  6. Step 6: Final answer
    x = 61,161.90

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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.