Home / 203,632.67-281,009.90-111,752.75

Finding the Fourth Proportional to 203,632.67, 281,009.90 and 111,752.75

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Solution

The fourth proportional to 203,632.67, 281,009.90 and 111,752.75 is: 154,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,632.67 : 281,009.90 = 111,752.75 : x
  2. Step 2: Convert to fraction form
    203,632.67/281,009.90 = 111,752.75/x
  3. Step 3: Cross multiply
    203,632.67x = 281,009.90 × 111,752.75
  4. Step 4: Simplify right side
    203,632.67x = 31,403,627,138.41
  5. Step 5: Solve for x
    x = 31,403,627,138.41/203,632.67
  6. Step 6: Final answer
    x = 154,217.04

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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.