Home / 165,616.64-228,392.16-111,291.56

Finding the Fourth Proportional to 165,616.64, 228,392.16 and 111,291.56

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Solution

The fourth proportional to 165,616.64, 228,392.16 and 111,291.56 is: 153,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,616.64 : 228,392.16 = 111,291.56 : x
  2. Step 2: Convert to fraction form
    165,616.64/228,392.16 = 111,291.56/x
  3. Step 3: Cross multiply
    165,616.64x = 228,392.16 × 111,291.56
  4. Step 4: Simplify right side
    165,616.64x = 25,418,119,778.17
  5. Step 5: Solve for x
    x = 25,418,119,778.17/165,616.64
  6. Step 6: Final answer
    x = 153,475.64

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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.