Home / 197,653.53-272,764.07-107,011.47

Finding the Fourth Proportional to 197,653.53, 272,764.07 and 107,011.47

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Solution

The fourth proportional to 197,653.53, 272,764.07 and 107,011.47 is: 147,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,653.53 : 272,764.07 = 107,011.47 : x
  2. Step 2: Convert to fraction form
    197,653.53/272,764.07 = 107,011.47/x
  3. Step 3: Cross multiply
    197,653.53x = 272,764.07 × 107,011.47
  4. Step 4: Simplify right side
    197,653.53x = 29,188,884,093.88
  5. Step 5: Solve for x
    x = 29,188,884,093.88/197,653.53
  6. Step 6: Final answer
    x = 147,677.02

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1.5x scale

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.