Home / 188,576.28-260,213.46-107,999.01

Finding the Fourth Proportional to 188,576.28, 260,213.46 and 107,999.01

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Solution

The fourth proportional to 188,576.28, 260,213.46 and 107,999.01 is: 149,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,576.28 : 260,213.46 = 107,999.01 : x
  2. Step 2: Convert to fraction form
    188,576.28/260,213.46 = 107,999.01/x
  3. Step 3: Cross multiply
    188,576.28x = 260,213.46 × 107,999.01
  4. Step 4: Simplify right side
    188,576.28x = 28,102,796,068.67
  5. Step 5: Solve for x
    x = 28,102,796,068.67/188,576.28
  6. Step 6: Final answer
    x = 149,026.15

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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.