Home / 155,823.96-233,652.72-80,868.60

Finding the Fourth Proportional to 155,823.96, 233,652.72 and 80,868.60

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Solution

The fourth proportional to 155,823.96, 233,652.72 and 80,868.60 is: 121,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,823.96 : 233,652.72 = 80,868.60 : x
  2. Step 2: Convert to fraction form
    155,823.96/233,652.72 = 80,868.60/x
  3. Step 3: Cross multiply
    155,823.96x = 233,652.72 × 80,868.60
  4. Step 4: Simplify right side
    155,823.96x = 18,895,168,352.59
  5. Step 5: Solve for x
    x = 18,895,168,352.59/155,823.96
  6. Step 6: Final answer
    x = 121,259.71

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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.