Home / 427,317.06-640,523.61-160,962.33

Finding the Fourth Proportional to 427,317.06, 640,523.61 and 160,962.33

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Solution

The fourth proportional to 427,317.06, 640,523.61 and 160,962.33 is: 241,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,317.06 : 640,523.61 = 160,962.33 : x
  2. Step 2: Convert to fraction form
    427,317.06/640,523.61 = 160,962.33/x
  3. Step 3: Cross multiply
    427,317.06x = 640,523.61 × 160,962.33
  4. Step 4: Simplify right side
    427,317.06x = 103,100,172,685.61
  5. Step 5: Solve for x
    x = 103,100,172,685.61/427,317.06
  6. Step 6: Final answer
    x = 241,273.24

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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.