Home / 121,101.45-181,664.56-46,284.56

Finding the Fourth Proportional to 121,101.45, 181,664.56 and 46,284.56

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Solution

The fourth proportional to 121,101.45, 181,664.56 and 46,284.56 is: 69,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,101.45 : 181,664.56 = 46,284.56 : x
  2. Step 2: Convert to fraction form
    121,101.45/181,664.56 = 46,284.56/x
  3. Step 3: Cross multiply
    121,101.45x = 181,664.56 × 46,284.56
  4. Step 4: Simplify right side
    121,101.45x = 8,408,264,819.48
  5. Step 5: Solve for x
    x = 8,408,264,819.48/121,101.45
  6. Step 6: Final answer
    x = 69,431.58

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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.