Home / 201,913.38-302,535.27-122,788.26

Finding the Fourth Proportional to 201,913.38, 302,535.27 and 122,788.26

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Solution

The fourth proportional to 201,913.38, 302,535.27 and 122,788.26 is: 183,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,913.38 : 302,535.27 = 122,788.26 : x
  2. Step 2: Convert to fraction form
    201,913.38/302,535.27 = 122,788.26/x
  3. Step 3: Cross multiply
    201,913.38x = 302,535.27 × 122,788.26
  4. Step 4: Simplify right side
    201,913.38x = 37,147,779,391.93
  5. Step 5: Solve for x
    x = 37,147,779,391.93/201,913.38
  6. Step 6: Final answer
    x = 183,978.79

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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.