Home / 136,949.10-205,423.56-51,576.06

Finding the Fourth Proportional to 136,949.10, 205,423.56 and 51,576.06

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Solution

The fourth proportional to 136,949.10, 205,423.56 and 51,576.06 is: 77,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,949.10 : 205,423.56 = 51,576.06 : x
  2. Step 2: Convert to fraction form
    136,949.10/205,423.56 = 51,576.06/x
  3. Step 3: Cross multiply
    136,949.10x = 205,423.56 × 51,576.06
  4. Step 4: Simplify right side
    136,949.10x = 10,594,937,855.97
  5. Step 5: Solve for x
    x = 10,594,937,855.97/136,949.10
  6. Step 6: Final answer
    x = 77,364.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.