Home / 351,075.60-525,722.40-193,125.60

Finding the Fourth Proportional to 351,075.60, 525,722.40 and 193,125.60

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Solution

The fourth proportional to 351,075.60, 525,722.40 and 193,125.60 is: 289,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,075.60 : 525,722.40 = 193,125.60 : x
  2. Step 2: Convert to fraction form
    351,075.60/525,722.40 = 193,125.60/x
  3. Step 3: Cross multiply
    351,075.60x = 525,722.40 × 193,125.60
  4. Step 4: Simplify right side
    351,075.60x = 101,530,453,933.44
  5. Step 5: Solve for x
    x = 101,530,453,933.44/351,075.60
  6. Step 6: Final answer
    x = 289,198.26

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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.