Home / 201,423.24-301,862.69-76,696.20

Finding the Fourth Proportional to 201,423.24, 301,862.69 and 76,696.20

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Solution

The fourth proportional to 201,423.24, 301,862.69 and 76,696.20 is: 114,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,423.24 : 301,862.69 = 76,696.20 : x
  2. Step 2: Convert to fraction form
    201,423.24/301,862.69 = 76,696.20/x
  3. Step 3: Cross multiply
    201,423.24x = 301,862.69 × 76,696.20
  4. Step 4: Simplify right side
    201,423.24x = 23,151,721,244.78
  5. Step 5: Solve for x
    x = 23,151,721,244.78/201,423.24
  6. Step 6: Final answer
    x = 114,940.67

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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.