Home / 254,578.03-351,278.62-147,127.31

Finding the Fourth Proportional to 254,578.03, 351,278.62 and 147,127.31

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Solution

The fourth proportional to 254,578.03, 351,278.62 and 147,127.31 is: 203,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,578.03 : 351,278.62 = 147,127.31 : x
  2. Step 2: Convert to fraction form
    254,578.03/351,278.62 = 147,127.31/x
  3. Step 3: Cross multiply
    254,578.03x = 351,278.62 × 147,127.31
  4. Step 4: Simplify right side
    254,578.03x = 51,682,678,421.11
  5. Step 5: Solve for x
    x = 51,682,678,421.11/254,578.03
  6. Step 6: Final answer
    x = 203,013.11

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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.