Home / 178,080.08-245,735.88-102,633.68

Finding the Fourth Proportional to 178,080.08, 245,735.88 and 102,633.68

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Solution

The fourth proportional to 178,080.08, 245,735.88 and 102,633.68 is: 141,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,080.08 : 245,735.88 = 102,633.68 : x
  2. Step 2: Convert to fraction form
    178,080.08/245,735.88 = 102,633.68/x
  3. Step 3: Cross multiply
    178,080.08x = 245,735.88 × 102,633.68
  4. Step 4: Simplify right side
    178,080.08x = 25,220,777,672.44
  5. Step 5: Solve for x
    x = 25,220,777,672.44/178,080.08
  6. Step 6: Final answer
    x = 141,626.05

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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.