Home / 165,423.83-228,275.42-91,832.48

Finding the Fourth Proportional to 165,423.83, 228,275.42 and 91,832.48

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Solution

The fourth proportional to 165,423.83, 228,275.42 and 91,832.48 is: 126,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,423.83 : 228,275.42 = 91,832.48 : x
  2. Step 2: Convert to fraction form
    165,423.83/228,275.42 = 91,832.48/x
  3. Step 3: Cross multiply
    165,423.83x = 228,275.42 × 91,832.48
  4. Step 4: Simplify right side
    165,423.83x = 20,963,097,197.13
  5. Step 5: Solve for x
    x = 20,963,097,197.13/165,423.83
  6. Step 6: Final answer
    x = 126,723.57

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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.