Home / 121,150.25-181,737.81-46,333.33

Finding the Fourth Proportional to 121,150.25, 181,737.81 and 46,333.33

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Solution

The fourth proportional to 121,150.25, 181,737.81 and 46,333.33 is: 69,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,150.25 : 181,737.81 = 46,333.33 : x
  2. Step 2: Convert to fraction form
    121,150.25/181,737.81 = 46,333.33/x
  3. Step 3: Cross multiply
    121,150.25x = 181,737.81 × 46,333.33
  4. Step 4: Simplify right side
    121,150.25x = 8,420,516,899.68
  5. Step 5: Solve for x
    x = 8,420,516,899.68/121,150.25
  6. Step 6: Final answer
    x = 69,504.74

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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.