Home / 190,692.21-286,084.56-57,564.52

Finding the Fourth Proportional to 190,692.21, 286,084.56 and 57,564.52

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Solution

The fourth proportional to 190,692.21, 286,084.56 and 57,564.52 is: 86,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692.21 : 286,084.56 = 57,564.52 : x
  2. Step 2: Convert to fraction form
    190,692.21/286,084.56 = 57,564.52/x
  3. Step 3: Cross multiply
    190,692.21x = 286,084.56 × 57,564.52
  4. Step 4: Simplify right side
    190,692.21x = 16,468,320,375.81
  5. Step 5: Solve for x
    x = 16,468,320,375.81/190,692.21
  6. Step 6: Final answer
    x = 86,360.74

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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.