Home / 178,742.03-246,561.05-107,080.55

Finding the Fourth Proportional to 178,742.03, 246,561.05 and 107,080.55

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Solution

The fourth proportional to 178,742.03, 246,561.05 and 107,080.55 is: 147,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,742.03 : 246,561.05 = 107,080.55 : x
  2. Step 2: Convert to fraction form
    178,742.03/246,561.05 = 107,080.55/x
  3. Step 3: Cross multiply
    178,742.03x = 246,561.05 × 107,080.55
  4. Step 4: Simplify right side
    178,742.03x = 26,401,892,842.58
  5. Step 5: Solve for x
    x = 26,401,892,842.58/178,742.03
  6. Step 6: Final answer
    x = 147,709.48

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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.