Home / 318,075.05-438,943.89-174,832.02

Finding the Fourth Proportional to 318,075.05, 438,943.89 and 174,832.02

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Solution

The fourth proportional to 318,075.05, 438,943.89 and 174,832.02 is: 241,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,075.05 : 438,943.89 = 174,832.02 : x
  2. Step 2: Convert to fraction form
    318,075.05/438,943.89 = 174,832.02/x
  3. Step 3: Cross multiply
    318,075.05x = 438,943.89 × 174,832.02
  4. Step 4: Simplify right side
    318,075.05x = 76,741,444,760.64
  5. Step 5: Solve for x
    x = 76,741,444,760.64/318,075.05
  6. Step 6: Final answer
    x = 241,268.36

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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.