Home / 107,649.36-161,477.08-28,763.64

Finding the Fourth Proportional to 107,649.36, 161,477.08 and 28,763.64

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Solution

The fourth proportional to 107,649.36, 161,477.08 and 28,763.64 is: 43,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,649.36 : 161,477.08 = 28,763.64 : x
  2. Step 2: Convert to fraction form
    107,649.36/161,477.08 = 28,763.64/x
  3. Step 3: Cross multiply
    107,649.36x = 161,477.08 × 28,763.64
  4. Step 4: Simplify right side
    107,649.36x = 4,644,668,597.37
  5. Step 5: Solve for x
    x = 4,644,668,597.37/107,649.36
  6. Step 6: Final answer
    x = 43,146.27

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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.