Home / 202,202.85-279,040.91-111,558.81

Finding the Fourth Proportional to 202,202.85, 279,040.91 and 111,558.81

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Solution

The fourth proportional to 202,202.85, 279,040.91 and 111,558.81 is: 153,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.85 : 279,040.91 = 111,558.81 : x
  2. Step 2: Convert to fraction form
    202,202.85/279,040.91 = 111,558.81/x
  3. Step 3: Cross multiply
    202,202.85x = 279,040.91 × 111,558.81
  4. Step 4: Simplify right side
    202,202.85x = 31,129,471,303.12
  5. Step 5: Solve for x
    x = 31,129,471,303.12/202,202.85
  6. Step 6: Final answer
    x = 153,951.69

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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.