Home / 213,491.11-320,225.73-63,732.64

Finding the Fourth Proportional to 213,491.11, 320,225.73 and 63,732.64

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Solution

The fourth proportional to 213,491.11, 320,225.73 and 63,732.64 is: 95,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,491.11 : 320,225.73 = 63,732.64 : x
  2. Step 2: Convert to fraction form
    213,491.11/320,225.73 = 63,732.64/x
  3. Step 3: Cross multiply
    213,491.11x = 320,225.73 × 63,732.64
  4. Step 4: Simplify right side
    213,491.11x = 20,408,831,168.83
  5. Step 5: Solve for x
    x = 20,408,831,168.83/213,491.11
  6. Step 6: Final answer
    x = 95,595.70

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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.