Home / 147,583.41-203,670.62-90,215.97

Finding the Fourth Proportional to 147,583.41, 203,670.62 and 90,215.97

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Solution

The fourth proportional to 147,583.41, 203,670.62 and 90,215.97 is: 124,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,583.41 : 203,670.62 = 90,215.97 : x
  2. Step 2: Convert to fraction form
    147,583.41/203,670.62 = 90,215.97/x
  3. Step 3: Cross multiply
    147,583.41x = 203,670.62 × 90,215.97
  4. Step 4: Simplify right side
    147,583.41x = 18,374,342,543.80
  5. Step 5: Solve for x
    x = 18,374,342,543.80/147,583.41
  6. Step 6: Final answer
    x = 124,501.41

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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.