Home / 160,284.62-240,448.80-66,768.50

Finding the Fourth Proportional to 160,284.62, 240,448.80 and 66,768.50

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Solution

The fourth proportional to 160,284.62, 240,448.80 and 66,768.50 is: 100,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,284.62 : 240,448.80 = 66,768.50 : x
  2. Step 2: Convert to fraction form
    160,284.62/240,448.80 = 66,768.50/x
  3. Step 3: Cross multiply
    160,284.62x = 240,448.80 × 66,768.50
  4. Step 4: Simplify right side
    160,284.62x = 16,054,405,702.80
  5. Step 5: Solve for x
    x = 16,054,405,702.80/160,284.62
  6. Step 6: Final answer
    x = 100,161.86

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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.