Home / 155,489.79-233,283.96-55,647.75

Finding the Fourth Proportional to 155,489.79, 233,283.96 and 55,647.75

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Solution

The fourth proportional to 155,489.79, 233,283.96 and 55,647.75 is: 83,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,489.79 : 233,283.96 = 55,647.75 : x
  2. Step 2: Convert to fraction form
    155,489.79/233,283.96 = 55,647.75/x
  3. Step 3: Cross multiply
    155,489.79x = 233,283.96 × 55,647.75
  4. Step 4: Simplify right side
    155,489.79x = 12,981,727,485.09
  5. Step 5: Solve for x
    x = 12,981,727,485.09/155,489.79
  6. Step 6: Final answer
    x = 83,489.26

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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.