Home / 155,829.96-233,661.72-80,874.60

Finding the Fourth Proportional to 155,829.96, 233,661.72 and 80,874.60

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Solution

The fourth proportional to 155,829.96, 233,661.72 and 80,874.60 is: 121,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,829.96 : 233,661.72 = 80,874.60 : x
  2. Step 2: Convert to fraction form
    155,829.96/233,661.72 = 80,874.60/x
  3. Step 3: Cross multiply
    155,829.96x = 233,661.72 × 80,874.60
  4. Step 4: Simplify right side
    155,829.96x = 18,897,298,140.31
  5. Step 5: Solve for x
    x = 18,897,298,140.31/155,829.96
  6. Step 6: Final answer
    x = 121,268.71

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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.