Home / 197,715.86-272,846.53-107,069.75

Finding the Fourth Proportional to 197,715.86, 272,846.53 and 107,069.75

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Solution

The fourth proportional to 197,715.86, 272,846.53 and 107,069.75 is: 147,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.86 : 272,846.53 = 107,069.75 : x
  2. Step 2: Convert to fraction form
    197,715.86/272,846.53 = 107,069.75/x
  3. Step 3: Cross multiply
    197,715.86x = 272,846.53 × 107,069.75
  4. Step 4: Simplify right side
    197,715.86x = 29,213,609,755.47
  5. Step 5: Solve for x
    x = 29,213,609,755.47/197,715.86
  6. Step 6: Final answer
    x = 147,755.52

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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.