Home / 470,132.80-705,185.38-133,172.80

Finding the Fourth Proportional to 470,132.80, 705,185.38 and 133,172.80

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Solution

The fourth proportional to 470,132.80, 705,185.38 and 133,172.80 is: 199,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,132.80 : 705,185.38 = 133,172.80 : x
  2. Step 2: Convert to fraction form
    470,132.80/705,185.38 = 133,172.80/x
  3. Step 3: Cross multiply
    470,132.80x = 705,185.38 × 133,172.80
  4. Step 4: Simplify right side
    470,132.80x = 93,911,511,573.66
  5. Step 5: Solve for x
    x = 93,911,511,573.66/470,132.80
  6. Step 6: Final answer
    x = 199,755.29

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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.