Home / 197,262.53-272,216.81-111,220.77

Finding the Fourth Proportional to 197,262.53, 272,216.81 and 111,220.77

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Solution

The fourth proportional to 197,262.53, 272,216.81 and 111,220.77 is: 153,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,262.53 : 272,216.81 = 111,220.77 : x
  2. Step 2: Convert to fraction form
    197,262.53/272,216.81 = 111,220.77/x
  3. Step 3: Cross multiply
    197,262.53x = 272,216.81 × 111,220.77
  4. Step 4: Simplify right side
    197,262.53x = 30,276,163,215.14
  5. Step 5: Solve for x
    x = 30,276,163,215.14/197,262.53
  6. Step 6: Final answer
    x = 153,481.57

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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.