Home / 107,505.36-161,255.07-28,620.27

Finding the Fourth Proportional to 107,505.36, 161,255.07 and 28,620.27

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Solution

The fourth proportional to 107,505.36, 161,255.07 and 28,620.27 is: 42,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,505.36 : 161,255.07 = 28,620.27 : x
  2. Step 2: Convert to fraction form
    107,505.36/161,255.07 = 28,620.27/x
  3. Step 3: Cross multiply
    107,505.36x = 161,255.07 × 28,620.27
  4. Step 4: Simplify right side
    107,505.36x = 4,615,163,642.27
  5. Step 5: Solve for x
    x = 4,615,163,642.27/107,505.36
  6. Step 6: Final answer
    x = 42,929.61

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1.5x scale

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.