Home / 165,693.77-228,657.39-90,242.27

Finding the Fourth Proportional to 165,693.77, 228,657.39 and 90,242.27

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Solution

The fourth proportional to 165,693.77, 228,657.39 and 90,242.27 is: 124,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,693.77 : 228,657.39 = 90,242.27 : x
  2. Step 2: Convert to fraction form
    165,693.77/228,657.39 = 90,242.27/x
  3. Step 3: Cross multiply
    165,693.77x = 228,657.39 × 90,242.27
  4. Step 4: Simplify right side
    165,693.77x = 20,634,561,925.88
  5. Step 5: Solve for x
    x = 20,634,561,925.88/165,693.77
  6. Step 6: Final answer
    x = 124,534.33

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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.