Home / 343,656.03-515,558.19-103,750.02

Finding the Fourth Proportional to 343,656.03, 515,558.19 and 103,750.02

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Solution

The fourth proportional to 343,656.03, 515,558.19 and 103,750.02 is: 155,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,656.03 : 515,558.19 = 103,750.02 : x
  2. Step 2: Convert to fraction form
    343,656.03/515,558.19 = 103,750.02/x
  3. Step 3: Cross multiply
    343,656.03x = 515,558.19 × 103,750.02
  4. Step 4: Simplify right side
    343,656.03x = 53,489,172,523.66
  5. Step 5: Solve for x
    x = 53,489,172,523.66/343,656.03
  6. Step 6: Final answer
    x = 155,647.41

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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.