Home / 190,761.88-286,144.80-57,643.24

Finding the Fourth Proportional to 190,761.88, 286,144.80 and 57,643.24

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Solution

The fourth proportional to 190,761.88, 286,144.80 and 57,643.24 is: 86,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,761.88 : 286,144.80 = 57,643.24 : x
  2. Step 2: Convert to fraction form
    190,761.88/286,144.80 = 57,643.24/x
  3. Step 3: Cross multiply
    190,761.88x = 286,144.80 × 57,643.24
  4. Step 4: Simplify right side
    190,761.88x = 16,494,313,381.15
  5. Step 5: Solve for x
    x = 16,494,313,381.15/190,761.88
  6. Step 6: Final answer
    x = 86,465.46

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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.