Home / 161,566.50-222,816.62-101,142.65

Finding the Fourth Proportional to 161,566.50, 222,816.62 and 101,142.65

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Solution

The fourth proportional to 161,566.50, 222,816.62 and 101,142.65 is: 139,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,566.50 : 222,816.62 = 101,142.65 : x
  2. Step 2: Convert to fraction form
    161,566.50/222,816.62 = 101,142.65/x
  3. Step 3: Cross multiply
    161,566.50x = 222,816.62 × 101,142.65
  4. Step 4: Simplify right side
    161,566.50x = 22,536,261,791.05
  5. Step 5: Solve for x
    x = 22,536,261,791.05/161,566.50
  6. Step 6: Final answer
    x = 139,485.98

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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.