Home / 456,121.14-629,420.05-252,159.85

Finding the Fourth Proportional to 456,121.14, 629,420.05 and 252,159.85

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Solution

The fourth proportional to 456,121.14, 629,420.05 and 252,159.85 is: 347,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,121.14 : 629,420.05 = 252,159.85 : x
  2. Step 2: Convert to fraction form
    456,121.14/629,420.05 = 252,159.85/x
  3. Step 3: Cross multiply
    456,121.14x = 629,420.05 × 252,159.85
  4. Step 4: Simplify right side
    456,121.14x = 158,714,465,394.99
  5. Step 5: Solve for x
    x = 158,714,465,394.99/456,121.14
  6. Step 6: Final answer
    x = 347,965.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.