Home / 190,679.88-286,021.85-57,561.24

Finding the Fourth Proportional to 190,679.88, 286,021.85 and 57,561.24

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Solution

The fourth proportional to 190,679.88, 286,021.85 and 57,561.24 is: 86,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679.88 : 286,021.85 = 57,561.24 : x
  2. Step 2: Convert to fraction form
    190,679.88/286,021.85 = 57,561.24/x
  3. Step 3: Cross multiply
    190,679.88x = 286,021.85 × 57,561.24
  4. Step 4: Simplify right side
    190,679.88x = 16,463,772,065.29
  5. Step 5: Solve for x
    x = 16,463,772,065.29/190,679.88
  6. Step 6: Final answer
    x = 86,342.47

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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.