Home / 201,946.11-278,674.25-111,301.80

Finding the Fourth Proportional to 201,946.11, 278,674.25 and 111,301.80

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Solution

The fourth proportional to 201,946.11, 278,674.25 and 111,301.80 is: 153,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,946.11 : 278,674.25 = 111,301.80 : x
  2. Step 2: Convert to fraction form
    201,946.11/278,674.25 = 111,301.80/x
  3. Step 3: Cross multiply
    201,946.11x = 278,674.25 × 111,301.80
  4. Step 4: Simplify right side
    201,946.11x = 31,016,945,082.14
  5. Step 5: Solve for x
    x = 31,016,945,082.14/201,946.11
  6. Step 6: Final answer
    x = 153,590.21

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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.