Home / 120,532.85-180,740.79-36,277.25

Finding the Fourth Proportional to 120,532.85, 180,740.79 and 36,277.25

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Solution

The fourth proportional to 120,532.85, 180,740.79 and 36,277.25 is: 54,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,532.85 : 180,740.79 = 36,277.25 : x
  2. Step 2: Convert to fraction form
    120,532.85/180,740.79 = 36,277.25/x
  3. Step 3: Cross multiply
    120,532.85x = 180,740.79 × 36,277.25
  4. Step 4: Simplify right side
    120,532.85x = 6,556,777,920.32
  5. Step 5: Solve for x
    x = 6,556,777,920.32/120,532.85
  6. Step 6: Final answer
    x = 54,398.27

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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.