Home / 348,617.80-522,975.30-148,936.60

Finding the Fourth Proportional to 348,617.80, 522,975.30 and 148,936.60

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Solution

The fourth proportional to 348,617.80, 522,975.30 and 148,936.60 is: 223,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,617.80 : 522,975.30 = 148,936.60 : x
  2. Step 2: Convert to fraction form
    348,617.80/522,975.30 = 148,936.60/x
  3. Step 3: Cross multiply
    348,617.80x = 522,975.30 × 148,936.60
  4. Step 4: Simplify right side
    348,617.80x = 77,890,163,065.98
  5. Step 5: Solve for x
    x = 77,890,163,065.98/348,617.80
  6. Step 6: Final answer
    x = 223,425.66

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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.