Home / 187,458.56-258,697-102,575.60

Finding the Fourth Proportional to 187,458.56, 258,697 and 102,575.60

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Solution

The fourth proportional to 187,458.56, 258,697 and 102,575.60 is: 141,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,458.56 : 258,697 = 102,575.60 : x
  2. Step 2: Convert to fraction form
    187,458.56/258,697 = 102,575.60/x
  3. Step 3: Cross multiply
    187,458.56x = 258,697 × 102,575.60
  4. Step 4: Simplify right side
    187,458.56x = 26,535,999,993.20
  5. Step 5: Solve for x
    x = 26,535,999,993.20/187,458.56
  6. Step 6: Final answer
    x = 141,556.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.