Home / 197,645.61-272,748.99-106,999.18

Finding the Fourth Proportional to 197,645.61, 272,748.99 and 106,999.18

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Solution

The fourth proportional to 197,645.61, 272,748.99 and 106,999.18 is: 147,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,645.61 : 272,748.99 = 106,999.18 : x
  2. Step 2: Convert to fraction form
    197,645.61/272,748.99 = 106,999.18/x
  3. Step 3: Cross multiply
    197,645.61x = 272,748.99 × 106,999.18
  4. Step 4: Simplify right side
    197,645.61x = 29,183,918,275.83
  5. Step 5: Solve for x
    x = 29,183,918,275.83/197,645.61
  6. Step 6: Final answer
    x = 147,657.81

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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.