Home / 220,075.21-303,711.01-124,579.85

Finding the Fourth Proportional to 220,075.21, 303,711.01 and 124,579.85

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Solution

The fourth proportional to 220,075.21, 303,711.01 and 124,579.85 is: 171,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,075.21 : 303,711.01 = 124,579.85 : x
  2. Step 2: Convert to fraction form
    220,075.21/303,711.01 = 124,579.85/x
  3. Step 3: Cross multiply
    220,075.21x = 303,711.01 × 124,579.85
  4. Step 4: Simplify right side
    220,075.21x = 37,836,272,069.15
  5. Step 5: Solve for x
    x = 37,836,272,069.15/220,075.21
  6. Step 6: Final answer
    x = 171,924.28

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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.