Home / 165,528.48-228,216.24-120,272.16

Finding the Fourth Proportional to 165,528.48, 228,216.24 and 120,272.16

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Solution

The fourth proportional to 165,528.48, 228,216.24 and 120,272.16 is: 165,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528.48 : 228,216.24 = 120,272.16 : x
  2. Step 2: Convert to fraction form
    165,528.48/228,216.24 = 120,272.16/x
  3. Step 3: Cross multiply
    165,528.48x = 228,216.24 × 120,272.16
  4. Step 4: Simplify right side
    165,528.48x = 27,448,060,131.88
  5. Step 5: Solve for x
    x = 27,448,060,131.88/165,528.48
  6. Step 6: Final answer
    x = 165,820.77

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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.