Home / 197,711.35-272,840.31-107,065.24

Finding the Fourth Proportional to 197,711.35, 272,840.31 and 107,065.24

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Solution

The fourth proportional to 197,711.35, 272,840.31 and 107,065.24 is: 147,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,711.35 : 272,840.31 = 107,065.24 : x
  2. Step 2: Convert to fraction form
    197,711.35/272,840.31 = 107,065.24/x
  3. Step 3: Cross multiply
    197,711.35x = 272,840.31 × 107,065.24
  4. Step 4: Simplify right side
    197,711.35x = 29,211,713,271.82
  5. Step 5: Solve for x
    x = 29,211,713,271.82/197,711.35
  6. Step 6: Final answer
    x = 147,749.30

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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.