Home / 120,281.67-180,378.77-41,374.71

Finding the Fourth Proportional to 120,281.67, 180,378.77 and 41,374.71

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Solution

The fourth proportional to 120,281.67, 180,378.77 and 41,374.71 is: 62,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,281.67 : 180,378.77 = 41,374.71 : x
  2. Step 2: Convert to fraction form
    120,281.67/180,378.77 = 41,374.71/x
  3. Step 3: Cross multiply
    120,281.67x = 180,378.77 × 41,374.71
  4. Step 4: Simplify right side
    120,281.67x = 7,463,119,092.03
  5. Step 5: Solve for x
    x = 7,463,119,092.03/120,281.67
  6. Step 6: Final answer
    x = 62,047.02

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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.