Home / 448,755.20-672,935.84-168,075.60

Finding the Fourth Proportional to 448,755.20, 672,935.84 and 168,075.60

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Solution

The fourth proportional to 448,755.20, 672,935.84 and 168,075.60 is: 252,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,755.20 : 672,935.84 = 168,075.60 : x
  2. Step 2: Convert to fraction form
    448,755.20/672,935.84 = 168,075.60/x
  3. Step 3: Cross multiply
    448,755.20x = 672,935.84 × 168,075.60
  4. Step 4: Simplify right side
    448,755.20x = 113,104,095,069.50
  5. Step 5: Solve for x
    x = 113,104,095,069.50/448,755.20
  6. Step 6: Final answer
    x = 252,039.63

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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.