Home / 190,935.26-286,293.13-78,692.95

Finding the Fourth Proportional to 190,935.26, 286,293.13 and 78,692.95

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Solution

The fourth proportional to 190,935.26, 286,293.13 and 78,692.95 is: 117,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,935.26 : 286,293.13 = 78,692.95 : x
  2. Step 2: Convert to fraction form
    190,935.26/286,293.13 = 78,692.95/x
  3. Step 3: Cross multiply
    190,935.26x = 286,293.13 × 78,692.95
  4. Step 4: Simplify right side
    190,935.26x = 22,529,251,568.22
  5. Step 5: Solve for x
    x = 22,529,251,568.22/190,935.26
  6. Step 6: Final answer
    x = 117,994.19

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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.