Home / 190,734.75-286,153.16-66,075.75

Finding the Fourth Proportional to 190,734.75, 286,153.16 and 66,075.75

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Solution

The fourth proportional to 190,734.75, 286,153.16 and 66,075.75 is: 99,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,734.75 : 286,153.16 = 66,075.75 : x
  2. Step 2: Convert to fraction form
    190,734.75/286,153.16 = 66,075.75/x
  3. Step 3: Cross multiply
    190,734.75x = 286,153.16 × 66,075.75
  4. Step 4: Simplify right side
    190,734.75x = 18,907,784,331.49
  5. Step 5: Solve for x
    x = 18,907,784,331.49/190,734.75
  6. Step 6: Final answer
    x = 99,131.30

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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.