Home / 197,470.83-272,509.48-106,826.60

Finding the Fourth Proportional to 197,470.83, 272,509.48 and 106,826.60

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Solution

The fourth proportional to 197,470.83, 272,509.48 and 106,826.60 is: 147,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,470.83 : 272,509.48 = 106,826.60 : x
  2. Step 2: Convert to fraction form
    197,470.83/272,509.48 = 106,826.60/x
  3. Step 3: Cross multiply
    197,470.83x = 272,509.48 × 106,826.60
  4. Step 4: Simplify right side
    197,470.83x = 29,111,261,216.17
  5. Step 5: Solve for x
    x = 29,111,261,216.17/197,470.83
  6. Step 6: Final answer
    x = 147,420.56

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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.