Home / 197,718.34-272,851.56-107,074.45

Finding the Fourth Proportional to 197,718.34, 272,851.56 and 107,074.45

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Solution

The fourth proportional to 197,718.34, 272,851.56 and 107,074.45 is: 147,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,718.34 : 272,851.56 = 107,074.45 : x
  2. Step 2: Convert to fraction form
    197,718.34/272,851.56 = 107,074.45/x
  3. Step 3: Cross multiply
    197,718.34x = 272,851.56 × 107,074.45
  4. Step 4: Simplify right side
    197,718.34x = 29,215,430,718.64
  5. Step 5: Solve for x
    x = 29,215,430,718.64/197,718.34
  6. Step 6: Final answer
    x = 147,762.88

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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.