Home / 165,692.34-228,657.96-90,240.84

Finding the Fourth Proportional to 165,692.34, 228,657.96 and 90,240.84

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Solution

The fourth proportional to 165,692.34, 228,657.96 and 90,240.84 is: 124,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,692.34 : 228,657.96 = 90,240.84 : x
  2. Step 2: Convert to fraction form
    165,692.34/228,657.96 = 90,240.84/x
  3. Step 3: Cross multiply
    165,692.34x = 228,657.96 × 90,240.84
  4. Step 4: Simplify right side
    165,692.34x = 20,634,286,383.09
  5. Step 5: Solve for x
    x = 20,634,286,383.09/165,692.34
  6. Step 6: Final answer
    x = 124,533.74

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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.