Home / 190,769.88-286,156.80-57,651.24

Finding the Fourth Proportional to 190,769.88, 286,156.80 and 57,651.24

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Solution

The fourth proportional to 190,769.88, 286,156.80 and 57,651.24 is: 86,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,769.88 : 286,156.80 = 57,651.24 : x
  2. Step 2: Convert to fraction form
    190,769.88/286,156.80 = 57,651.24/x
  3. Step 3: Cross multiply
    190,769.88x = 286,156.80 × 57,651.24
  4. Step 4: Simplify right side
    190,769.88x = 16,497,294,354.43
  5. Step 5: Solve for x
    x = 16,497,294,354.43/190,769.88
  6. Step 6: Final answer
    x = 86,477.46

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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.