Home / 136,576.02-188,475.66-76,150.44

Finding the Fourth Proportional to 136,576.02, 188,475.66 and 76,150.44

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Solution

The fourth proportional to 136,576.02, 188,475.66 and 76,150.44 is: 105,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,576.02 : 188,475.66 = 76,150.44 : x
  2. Step 2: Convert to fraction form
    136,576.02/188,475.66 = 76,150.44/x
  3. Step 3: Cross multiply
    136,576.02x = 188,475.66 × 76,150.44
  4. Step 4: Simplify right side
    136,576.02x = 14,352,504,438.29
  5. Step 5: Solve for x
    x = 14,352,504,438.29/136,576.02
  6. Step 6: Final answer
    x = 105,088.03

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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.