Home / 165,692.65-228,655.83-90,241.15

Finding the Fourth Proportional to 165,692.65, 228,655.83 and 90,241.15

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Solution

The fourth proportional to 165,692.65, 228,655.83 and 90,241.15 is: 124,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,692.65 : 228,655.83 = 90,241.15 : x
  2. Step 2: Convert to fraction form
    165,692.65/228,655.83 = 90,241.15/x
  3. Step 3: Cross multiply
    165,692.65x = 228,655.83 × 90,241.15
  4. Step 4: Simplify right side
    165,692.65x = 20,634,165,053.40
  5. Step 5: Solve for x
    x = 20,634,165,053.40/165,692.65
  6. Step 6: Final answer
    x = 124,532.77

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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.