Home / 190,922.36-286,361.10-50,691.80

Finding the Fourth Proportional to 190,922.36, 286,361.10 and 50,691.80

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Solution

The fourth proportional to 190,922.36, 286,361.10 and 50,691.80 is: 76,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,922.36 : 286,361.10 = 50,691.80 : x
  2. Step 2: Convert to fraction form
    190,922.36/286,361.10 = 50,691.80/x
  3. Step 3: Cross multiply
    190,922.36x = 286,361.10 × 50,691.80
  4. Step 4: Simplify right side
    190,922.36x = 14,516,159,608.98
  5. Step 5: Solve for x
    x = 14,516,159,608.98/190,922.36
  6. Step 6: Final answer
    x = 76,031.74

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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.