Home / 120,335.04-180,491.04-41,438.40

Finding the Fourth Proportional to 120,335.04, 180,491.04 and 41,438.40

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Solution

The fourth proportional to 120,335.04, 180,491.04 and 41,438.40 is: 62,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,335.04 : 180,491.04 = 41,438.40 : x
  2. Step 2: Convert to fraction form
    120,335.04/180,491.04 = 41,438.40/x
  3. Step 3: Cross multiply
    120,335.04x = 180,491.04 × 41,438.40
  4. Step 4: Simplify right side
    120,335.04x = 7,479,259,911.94
  5. Step 5: Solve for x
    x = 7,479,259,911.94/120,335.04
  6. Step 6: Final answer
    x = 62,153.63

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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.