Home / 193,645.88-290,518.10-113,751.41

Finding the Fourth Proportional to 193,645.88, 290,518.10 and 113,751.41

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Solution

The fourth proportional to 193,645.88, 290,518.10 and 113,751.41 is: 170,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,645.88 : 290,518.10 = 113,751.41 : x
  2. Step 2: Convert to fraction form
    193,645.88/290,518.10 = 113,751.41/x
  3. Step 3: Cross multiply
    193,645.88x = 290,518.10 × 113,751.41
  4. Step 4: Simplify right side
    193,645.88x = 33,046,841,484.17
  5. Step 5: Solve for x
    x = 33,046,841,484.17/193,645.88
  6. Step 6: Final answer
    x = 170,656.06

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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.