Home / 165,667.36-228,630.56-124,758.28

Finding the Fourth Proportional to 165,667.36, 228,630.56 and 124,758.28

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Solution

The fourth proportional to 165,667.36, 228,630.56 and 124,758.28 is: 172,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,667.36 : 228,630.56 = 124,758.28 : x
  2. Step 2: Convert to fraction form
    165,667.36/228,630.56 = 124,758.28/x
  3. Step 3: Cross multiply
    165,667.36x = 228,630.56 × 124,758.28
  4. Step 4: Simplify right side
    165,667.36x = 28,523,555,421.04
  5. Step 5: Solve for x
    x = 28,523,555,421.04/165,667.36
  6. Step 6: Final answer
    x = 172,173.66

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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.