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Finding the Fourth Proportional to 190,692.95, 286,486.07 and 179,920.95

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Solution

The fourth proportional to 190,692.95, 286,486.07 and 179,920.95 is: 270,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692.95 : 286,486.07 = 179,920.95 : x
  2. Step 2: Convert to fraction form
    190,692.95/286,486.07 = 179,920.95/x
  3. Step 3: Cross multiply
    190,692.95x = 286,486.07 × 179,920.95
  4. Step 4: Simplify right side
    190,692.95x = 51,544,845,876.17
  5. Step 5: Solve for x
    x = 51,544,845,876.17/190,692.95
  6. Step 6: Final answer
    x = 270,302.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.