Home / 197,172.20-272,097.74-106,528.13

Finding the Fourth Proportional to 197,172.20, 272,097.74 and 106,528.13

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Solution

The fourth proportional to 197,172.20, 272,097.74 and 106,528.13 is: 147,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,172.20 : 272,097.74 = 106,528.13 : x
  2. Step 2: Convert to fraction form
    197,172.20/272,097.74 = 106,528.13/x
  3. Step 3: Cross multiply
    197,172.20x = 272,097.74 × 106,528.13
  4. Step 4: Simplify right side
    197,172.20x = 28,986,064,365.99
  5. Step 5: Solve for x
    x = 28,986,064,365.99/197,172.20
  6. Step 6: Final answer
    x = 147,008.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.