Home / 293,753.25-405,379.89-166,437.45

Finding the Fourth Proportional to 293,753.25, 405,379.89 and 166,437.45

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Solution

The fourth proportional to 293,753.25, 405,379.89 and 166,437.45 is: 229,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,753.25 : 405,379.89 = 166,437.45 : x
  2. Step 2: Convert to fraction form
    293,753.25/405,379.89 = 166,437.45/x
  3. Step 3: Cross multiply
    293,753.25x = 405,379.89 × 166,437.45
  4. Step 4: Simplify right side
    293,753.25x = 67,470,395,172.88
  5. Step 5: Solve for x
    x = 67,470,395,172.88/293,753.25
  6. Step 6: Final answer
    x = 229,683.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.