Home / 266,944.56-368,400.60-153,765.36

Finding the Fourth Proportional to 266,944.56, 368,400.60 and 153,765.36

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Solution

The fourth proportional to 266,944.56, 368,400.60 and 153,765.36 is: 212,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,944.56 : 368,400.60 = 153,765.36 : x
  2. Step 2: Convert to fraction form
    266,944.56/368,400.60 = 153,765.36/x
  3. Step 3: Cross multiply
    266,944.56x = 368,400.60 × 153,765.36
  4. Step 4: Simplify right side
    266,944.56x = 56,647,250,883.22
  5. Step 5: Solve for x
    x = 56,647,250,883.22/266,944.56
  6. Step 6: Final answer
    x = 212,206.05

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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.