Home / 110,181.47-151,971.65-101,135.54

Finding the Fourth Proportional to 110,181.47, 151,971.65 and 101,135.54

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Solution

The fourth proportional to 110,181.47, 151,971.65 and 101,135.54 is: 139,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,181.47 : 151,971.65 = 101,135.54 : x
  2. Step 2: Convert to fraction form
    110,181.47/151,971.65 = 101,135.54/x
  3. Step 3: Cross multiply
    110,181.47x = 151,971.65 × 101,135.54
  4. Step 4: Simplify right side
    110,181.47x = 15,369,735,211.68
  5. Step 5: Solve for x
    x = 15,369,735,211.68/110,181.47
  6. Step 6: Final answer
    x = 139,494.74

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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.