Home / 454,670.10-682,075.20-155,080.69

Finding the Fourth Proportional to 454,670.10, 682,075.20 and 155,080.69

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Solution

The fourth proportional to 454,670.10, 682,075.20 and 155,080.69 is: 232,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,670.10 : 682,075.20 = 155,080.69 : x
  2. Step 2: Convert to fraction form
    454,670.10/682,075.20 = 155,080.69/x
  3. Step 3: Cross multiply
    454,670.10x = 682,075.20 × 155,080.69
  4. Step 4: Simplify right side
    454,670.10x = 105,776,691,524.25
  5. Step 5: Solve for x
    x = 105,776,691,524.25/454,670.10
  6. Step 6: Final answer
    x = 232,644.93

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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.