Home / 197,260.53-272,214.05-111,218.77

Finding the Fourth Proportional to 197,260.53, 272,214.05 and 111,218.77

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Solution

The fourth proportional to 197,260.53, 272,214.05 and 111,218.77 is: 153,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,260.53 : 272,214.05 = 111,218.77 : x
  2. Step 2: Convert to fraction form
    197,260.53/272,214.05 = 111,218.77/x
  3. Step 3: Cross multiply
    197,260.53x = 272,214.05 × 111,218.77
  4. Step 4: Simplify right side
    197,260.53x = 30,275,311,817.72
  5. Step 5: Solve for x
    x = 30,275,311,817.72/197,260.53
  6. Step 6: Final answer
    x = 153,478.81

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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.