Home / 336,768.24-505,147.86-96,888.36

Finding the Fourth Proportional to 336,768.24, 505,147.86 and 96,888.36

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Solution

The fourth proportional to 336,768.24, 505,147.86 and 96,888.36 is: 145,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,768.24 : 505,147.86 = 96,888.36 : x
  2. Step 2: Convert to fraction form
    336,768.24/505,147.86 = 96,888.36/x
  3. Step 3: Cross multiply
    336,768.24x = 505,147.86 × 96,888.36
  4. Step 4: Simplify right side
    336,768.24x = 48,942,947,712.91
  5. Step 5: Solve for x
    x = 48,942,947,712.91/336,768.24
  6. Step 6: Final answer
    x = 145,331.25

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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.