Home / 245,383.90-368,075.94-76,917.34

Finding the Fourth Proportional to 245,383.90, 368,075.94 and 76,917.34

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Solution

The fourth proportional to 245,383.90, 368,075.94 and 76,917.34 is: 115,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,383.90 : 368,075.94 = 76,917.34 : x
  2. Step 2: Convert to fraction form
    245,383.90/368,075.94 = 76,917.34/x
  3. Step 3: Cross multiply
    245,383.90x = 368,075.94 × 76,917.34
  4. Step 4: Simplify right side
    245,383.90x = 28,311,422,222.80
  5. Step 5: Solve for x
    x = 28,311,422,222.80/245,383.90
  6. Step 6: Final answer
    x = 115,376.04

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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.