Home / 223,555.20-335,721.60-118,579.20

Finding the Fourth Proportional to 223,555.20, 335,721.60 and 118,579.20

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Solution

The fourth proportional to 223,555.20, 335,721.60 and 118,579.20 is: 178,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,555.20 : 335,721.60 = 118,579.20 : x
  2. Step 2: Convert to fraction form
    223,555.20/335,721.60 = 118,579.20/x
  3. Step 3: Cross multiply
    223,555.20x = 335,721.60 × 118,579.20
  4. Step 4: Simplify right side
    223,555.20x = 39,809,598,750.72
  5. Step 5: Solve for x
    x = 39,809,598,750.72/223,555.20
  6. Step 6: Final answer
    x = 178,075.03

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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.