Home / 197,396.32-272,396.55-111,352.81

Finding the Fourth Proportional to 197,396.32, 272,396.55 and 111,352.81

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Solution

The fourth proportional to 197,396.32, 272,396.55 and 111,352.81 is: 153,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,396.32 : 272,396.55 = 111,352.81 : x
  2. Step 2: Convert to fraction form
    197,396.32/272,396.55 = 111,352.81/x
  3. Step 3: Cross multiply
    197,396.32x = 272,396.55 × 111,352.81
  4. Step 4: Simplify right side
    197,396.32x = 30,332,121,276.81
  5. Step 5: Solve for x
    x = 30,332,121,276.81/197,396.32
  6. Step 6: Final answer
    x = 153,661.03

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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.