Home / 202,182.18-279,007.88-111,546.82

Finding the Fourth Proportional to 202,182.18, 279,007.88 and 111,546.82

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Solution

The fourth proportional to 202,182.18, 279,007.88 and 111,546.82 is: 153,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,182.18 : 279,007.88 = 111,546.82 : x
  2. Step 2: Convert to fraction form
    202,182.18/279,007.88 = 111,546.82/x
  3. Step 3: Cross multiply
    202,182.18x = 279,007.88 × 111,546.82
  4. Step 4: Simplify right side
    202,182.18x = 31,122,441,559.97
  5. Step 5: Solve for x
    x = 31,122,441,559.97/202,182.18
  6. Step 6: Final answer
    x = 153,932.67

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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.