Home / 201,315.16-301,751.29-82,921.92

Finding the Fourth Proportional to 201,315.16, 301,751.29 and 82,921.92

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Solution

The fourth proportional to 201,315.16, 301,751.29 and 82,921.92 is: 124,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,315.16 : 301,751.29 = 82,921.92 : x
  2. Step 2: Convert to fraction form
    201,315.16/301,751.29 = 82,921.92/x
  3. Step 3: Cross multiply
    201,315.16x = 301,751.29 × 82,921.92
  4. Step 4: Simplify right side
    201,315.16x = 25,021,795,301.36
  5. Step 5: Solve for x
    x = 25,021,795,301.36/201,315.16
  6. Step 6: Final answer
    x = 124,291.66

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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.