Home / 197,227.50-272,173.98-112,393.80

Finding the Fourth Proportional to 197,227.50, 272,173.98 and 112,393.80

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Solution

The fourth proportional to 197,227.50, 272,173.98 and 112,393.80 is: 155,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,227.50 : 272,173.98 = 112,393.80 : x
  2. Step 2: Convert to fraction form
    197,227.50/272,173.98 = 112,393.80/x
  3. Step 3: Cross multiply
    197,227.50x = 272,173.98 × 112,393.80
  4. Step 4: Simplify right side
    197,227.50x = 30,590,667,873.32
  5. Step 5: Solve for x
    x = 30,590,667,873.32/197,227.50
  6. Step 6: Final answer
    x = 155,103.46

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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.