Home / 144,457.36-216,629.88-49,669.54

Finding the Fourth Proportional to 144,457.36, 216,629.88 and 49,669.54

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Solution

The fourth proportional to 144,457.36, 216,629.88 and 49,669.54 is: 74,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,457.36 : 216,629.88 = 49,669.54 : x
  2. Step 2: Convert to fraction form
    144,457.36/216,629.88 = 49,669.54/x
  3. Step 3: Cross multiply
    144,457.36x = 216,629.88 × 49,669.54
  4. Step 4: Simplify right side
    144,457.36x = 10,759,906,489.86
  5. Step 5: Solve for x
    x = 10,759,906,489.86/144,457.36
  6. Step 6: Final answer
    x = 74,485.00

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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.