Home / 201,823.36-278,514.88-111,177.27

Finding the Fourth Proportional to 201,823.36, 278,514.88 and 111,177.27

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Solution

The fourth proportional to 201,823.36, 278,514.88 and 111,177.27 is: 153,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,823.36 : 278,514.88 = 111,177.27 : x
  2. Step 2: Convert to fraction form
    201,823.36/278,514.88 = 111,177.27/x
  3. Step 3: Cross multiply
    201,823.36x = 278,514.88 × 111,177.27
  4. Step 4: Simplify right side
    201,823.36x = 30,964,523,734.83
  5. Step 5: Solve for x
    x = 30,964,523,734.83/201,823.36
  6. Step 6: Final answer
    x = 153,423.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.