Home / 143,814.00-198,470.08-80,152.26

Finding the Fourth Proportional to 143,814.00, 198,470.08 and 80,152.26

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Solution

The fourth proportional to 143,814.00, 198,470.08 and 80,152.26 is: 110,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,814.00 : 198,470.08 = 80,152.26 : x
  2. Step 2: Convert to fraction form
    143,814.00/198,470.08 = 80,152.26/x
  3. Step 3: Cross multiply
    143,814.00x = 198,470.08 × 80,152.26
  4. Step 4: Simplify right side
    143,814.00x = 15,907,824,462.03
  5. Step 5: Solve for x
    x = 15,907,824,462.03/143,814.00
  6. Step 6: Final answer
    x = 110,613.88

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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.