Home / 166,247.16-229,420.72-90,795.66

Finding the Fourth Proportional to 166,247.16, 229,420.72 and 90,795.66

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Solution

The fourth proportional to 166,247.16, 229,420.72 and 90,795.66 is: 125,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,247.16 : 229,420.72 = 90,795.66 : x
  2. Step 2: Convert to fraction form
    166,247.16/229,420.72 = 90,795.66/x
  3. Step 3: Cross multiply
    166,247.16x = 229,420.72 × 90,795.66
  4. Step 4: Simplify right side
    166,247.16x = 20,830,405,690.08
  5. Step 5: Solve for x
    x = 20,830,405,690.08/166,247.16
  6. Step 6: Final answer
    x = 125,297.81

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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.