Home / 155,823.03-233,651.37-80,867.70

Finding the Fourth Proportional to 155,823.03, 233,651.37 and 80,867.70

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Solution

The fourth proportional to 155,823.03, 233,651.37 and 80,867.70 is: 121,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,823.03 : 233,651.37 = 80,867.70 : x
  2. Step 2: Convert to fraction form
    155,823.03/233,651.37 = 80,867.70/x
  3. Step 3: Cross multiply
    155,823.03x = 233,651.37 × 80,867.70
  4. Step 4: Simplify right side
    155,823.03x = 18,894,848,893.75
  5. Step 5: Solve for x
    x = 18,894,848,893.75/155,823.03
  6. Step 6: Final answer
    x = 121,258.38

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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.