Home / 154,033.05-231,075.86-68,674.88

Finding the Fourth Proportional to 154,033.05, 231,075.86 and 68,674.88

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Solution

The fourth proportional to 154,033.05, 231,075.86 and 68,674.88 is: 103,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.05 : 231,075.86 = 68,674.88 : x
  2. Step 2: Convert to fraction form
    154,033.05/231,075.86 = 68,674.88/x
  3. Step 3: Cross multiply
    154,033.05x = 231,075.86 × 68,674.88
  4. Step 4: Simplify right side
    154,033.05x = 15,869,107,190.71
  5. Step 5: Solve for x
    x = 15,869,107,190.71/154,033.05
  6. Step 6: Final answer
    x = 103,024.04

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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.