Home / 201,749.10-302,599.35-83,408.10

Finding the Fourth Proportional to 201,749.10, 302,599.35 and 83,408.10

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Solution

The fourth proportional to 201,749.10, 302,599.35 and 83,408.10 is: 125,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,749.10 : 302,599.35 = 83,408.10 : x
  2. Step 2: Convert to fraction form
    201,749.10/302,599.35 = 83,408.10/x
  3. Step 3: Cross multiply
    201,749.10x = 302,599.35 × 83,408.10
  4. Step 4: Simplify right side
    201,749.10x = 25,239,236,844.74
  5. Step 5: Solve for x
    x = 25,239,236,844.74/201,749.10
  6. Step 6: Final answer
    x = 125,102.10

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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.