Home / 196,015.42-270,562.95-111,188.86

Finding the Fourth Proportional to 196,015.42, 270,562.95 and 111,188.86

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Solution

The fourth proportional to 196,015.42, 270,562.95 and 111,188.86 is: 153,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,015.42 : 270,562.95 = 111,188.86 : x
  2. Step 2: Convert to fraction form
    196,015.42/270,562.95 = 111,188.86/x
  3. Step 3: Cross multiply
    196,015.42x = 270,562.95 × 111,188.86
  4. Step 4: Simplify right side
    196,015.42x = 30,083,585,968.74
  5. Step 5: Solve for x
    x = 30,083,585,968.74/196,015.42
  6. Step 6: Final answer
    x = 153,475.61

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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.