Home / 197,297.75-272,297.57-111,274.40

Finding the Fourth Proportional to 197,297.75, 272,297.57 and 111,274.40

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Solution

The fourth proportional to 197,297.75, 272,297.57 and 111,274.40 is: 153,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,297.75 : 272,297.57 = 111,274.40 : x
  2. Step 2: Convert to fraction form
    197,297.75/272,297.57 = 111,274.40/x
  3. Step 3: Cross multiply
    197,297.75x = 272,297.57 × 111,274.40
  4. Step 4: Simplify right side
    197,297.75x = 30,299,748,847.58
  5. Step 5: Solve for x
    x = 30,299,748,847.58/197,297.75
  6. Step 6: Final answer
    x = 153,573.72

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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.