Home / 201,271.48-302,043.30-76,609.24

Finding the Fourth Proportional to 201,271.48, 302,043.30 and 76,609.24

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Solution

The fourth proportional to 201,271.48, 302,043.30 and 76,609.24 is: 114,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,271.48 : 302,043.30 = 76,609.24 : x
  2. Step 2: Convert to fraction form
    201,271.48/302,043.30 = 76,609.24/x
  3. Step 3: Cross multiply
    201,271.48x = 302,043.30 × 76,609.24
  4. Step 4: Simplify right side
    201,271.48x = 23,139,307,660.09
  5. Step 5: Solve for x
    x = 23,139,307,660.09/201,271.48
  6. Step 6: Final answer
    x = 114,965.66

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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.