Home / 201,946.23-278,687.76-111,302.37

Finding the Fourth Proportional to 201,946.23, 278,687.76 and 111,302.37

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Solution

The fourth proportional to 201,946.23, 278,687.76 and 111,302.37 is: 153,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,946.23 : 278,687.76 = 111,302.37 : x
  2. Step 2: Convert to fraction form
    201,946.23/278,687.76 = 111,302.37/x
  3. Step 3: Cross multiply
    201,946.23x = 278,687.76 × 111,302.37
  4. Step 4: Simplify right side
    201,946.23x = 31,018,608,177.99
  5. Step 5: Solve for x
    x = 31,018,608,177.99/201,946.23
  6. Step 6: Final answer
    x = 153,598.35

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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.