Home / 197,740.61-272,906.02-111,703.22

Finding the Fourth Proportional to 197,740.61, 272,906.02 and 111,703.22

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Solution

The fourth proportional to 197,740.61, 272,906.02 and 111,703.22 is: 154,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,740.61 : 272,906.02 = 111,703.22 : x
  2. Step 2: Convert to fraction form
    197,740.61/272,906.02 = 111,703.22/x
  3. Step 3: Cross multiply
    197,740.61x = 272,906.02 × 111,703.22
  4. Step 4: Simplify right side
    197,740.61x = 30,484,481,191.38
  5. Step 5: Solve for x
    x = 30,484,481,191.38/197,740.61
  6. Step 6: Final answer
    x = 154,163.99

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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.