Home / 197,130.37-272,040-106,486.33

Finding the Fourth Proportional to 197,130.37, 272,040 and 106,486.33

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Solution

The fourth proportional to 197,130.37, 272,040 and 106,486.33 is: 146,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,130.37 : 272,040 = 106,486.33 : x
  2. Step 2: Convert to fraction form
    197,130.37/272,040 = 106,486.33/x
  3. Step 3: Cross multiply
    197,130.37x = 272,040 × 106,486.33
  4. Step 4: Simplify right side
    197,130.37x = 28,968,541,213.20
  5. Step 5: Solve for x
    x = 28,968,541,213.20/197,130.37
  6. Step 6: Final answer
    x = 146,951.18

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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.