Home / 178,496.21-246,309.08-102,000.12

Finding the Fourth Proportional to 178,496.21, 246,309.08 and 102,000.12

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Solution

The fourth proportional to 178,496.21, 246,309.08 and 102,000.12 is: 140,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,496.21 : 246,309.08 = 102,000.12 : x
  2. Step 2: Convert to fraction form
    178,496.21/246,309.08 = 102,000.12/x
  3. Step 3: Cross multiply
    178,496.21x = 246,309.08 × 102,000.12
  4. Step 4: Simplify right side
    178,496.21x = 25,123,555,207.09
  5. Step 5: Solve for x
    x = 25,123,555,207.09/178,496.21
  6. Step 6: Final answer
    x = 140,751.20

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1.5x scale

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.