Home / 190,935.20-286,329.90-57,771.20

Finding the Fourth Proportional to 190,935.20, 286,329.90 and 57,771.20

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Solution

The fourth proportional to 190,935.20, 286,329.90 and 57,771.20 is: 86,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,935.20 : 286,329.90 = 57,771.20 : x
  2. Step 2: Convert to fraction form
    190,935.20/286,329.90 = 57,771.20/x
  3. Step 3: Cross multiply
    190,935.20x = 286,329.90 × 57,771.20
  4. Step 4: Simplify right side
    190,935.20x = 16,541,621,918.88
  5. Step 5: Solve for x
    x = 16,541,621,918.88/190,935.20
  6. Step 6: Final answer
    x = 86,634.74

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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.