Home / 277,629.12-416,522.40-111,533.76

Finding the Fourth Proportional to 277,629.12, 416,522.40 and 111,533.76

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Solution

The fourth proportional to 277,629.12, 416,522.40 and 111,533.76 is: 167,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,629.12 : 416,522.40 = 111,533.76 : x
  2. Step 2: Convert to fraction form
    277,629.12/416,522.40 = 111,533.76/x
  3. Step 3: Cross multiply
    277,629.12x = 416,522.40 × 111,533.76
  4. Step 4: Simplify right side
    277,629.12x = 46,456,309,396.22
  5. Step 5: Solve for x
    x = 46,456,309,396.22/277,629.12
  6. Step 6: Final answer
    x = 167,332.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.