Home / 293,075.20-404,458.32-172,223.20

Finding the Fourth Proportional to 293,075.20, 404,458.32 and 172,223.20

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Solution

The fourth proportional to 293,075.20, 404,458.32 and 172,223.20 is: 237,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,075.20 : 404,458.32 = 172,223.20 : x
  2. Step 2: Convert to fraction form
    293,075.20/404,458.32 = 172,223.20/x
  3. Step 3: Cross multiply
    293,075.20x = 404,458.32 × 172,223.20
  4. Step 4: Simplify right side
    293,075.20x = 69,657,106,137.02
  5. Step 5: Solve for x
    x = 69,657,106,137.02/293,075.20
  6. Step 6: Final answer
    x = 237,676.56

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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.