Home / 144,540.60-216,756.96-49,744.20

Finding the Fourth Proportional to 144,540.60, 216,756.96 and 49,744.20

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Solution

The fourth proportional to 144,540.60, 216,756.96 and 49,744.20 is: 74,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540.60 : 216,756.96 = 49,744.20 : x
  2. Step 2: Convert to fraction form
    144,540.60/216,756.96 = 49,744.20/x
  3. Step 3: Cross multiply
    144,540.60x = 216,756.96 × 49,744.20
  4. Step 4: Simplify right side
    144,540.60x = 10,782,401,569.63
  5. Step 5: Solve for x
    x = 10,782,401,569.63/144,540.60
  6. Step 6: Final answer
    x = 74,597.74

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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.