Home / 277,511.12-416,344.44-111,415.76

Finding the Fourth Proportional to 277,511.12, 416,344.44 and 111,415.76

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Solution

The fourth proportional to 277,511.12, 416,344.44 and 111,415.76 is: 167,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,511.12 : 416,344.44 = 111,415.76 : x
  2. Step 2: Convert to fraction form
    277,511.12/416,344.44 = 111,415.76/x
  3. Step 3: Cross multiply
    277,511.12x = 416,344.44 × 111,415.76
  4. Step 4: Simplify right side
    277,511.12x = 46,387,332,204.37
  5. Step 5: Solve for x
    x = 46,387,332,204.37/277,511.12
  6. Step 6: Final answer
    x = 167,154.86

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1.5x scale

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.