Home / 155,660.12-233,507.49-66,922.59

Finding the Fourth Proportional to 155,660.12, 233,507.49 and 66,922.59

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Solution

The fourth proportional to 155,660.12, 233,507.49 and 66,922.59 is: 100,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,660.12 : 233,507.49 = 66,922.59 : x
  2. Step 2: Convert to fraction form
    155,660.12/233,507.49 = 66,922.59/x
  3. Step 3: Cross multiply
    155,660.12x = 233,507.49 × 66,922.59
  4. Step 4: Simplify right side
    155,660.12x = 15,626,926,015.20
  5. Step 5: Solve for x
    x = 15,626,926,015.20/155,660.12
  6. Step 6: Final answer
    x = 100,391.33

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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.