Home / 197,308.03-272,284.71-106,664.05

Finding the Fourth Proportional to 197,308.03, 272,284.71 and 106,664.05

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Solution

The fourth proportional to 197,308.03, 272,284.71 and 106,664.05 is: 147,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,308.03 : 272,284.71 = 106,664.05 : x
  2. Step 2: Convert to fraction form
    197,308.03/272,284.71 = 106,664.05/x
  3. Step 3: Cross multiply
    197,308.03x = 272,284.71 × 106,664.05
  4. Step 4: Simplify right side
    197,308.03x = 29,042,989,921.68
  5. Step 5: Solve for x
    x = 29,042,989,921.68/197,308.03
  6. Step 6: Final answer
    x = 147,196.19

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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.