Home / 175,055.20-262,712.40-115,871.20

Finding the Fourth Proportional to 175,055.20, 262,712.40 and 115,871.20

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Solution

The fourth proportional to 175,055.20, 262,712.40 and 115,871.20 is: 173,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,055.20 : 262,712.40 = 115,871.20 : x
  2. Step 2: Convert to fraction form
    175,055.20/262,712.40 = 115,871.20/x
  3. Step 3: Cross multiply
    175,055.20x = 262,712.40 × 115,871.20
  4. Step 4: Simplify right side
    175,055.20x = 30,440,801,042.88
  5. Step 5: Solve for x
    x = 30,440,801,042.88/175,055.20
  6. Step 6: Final answer
    x = 173,892.58

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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.