Home / 106,467.10-158,828.14-103,571

Finding the Fourth Proportional to 106,467.10, 158,828.14 and 103,571

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Solution

The fourth proportional to 106,467.10, 158,828.14 and 103,571 is: 154,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,467.10 : 158,828.14 = 103,571 : x
  2. Step 2: Convert to fraction form
    106,467.10/158,828.14 = 103,571/x
  3. Step 3: Cross multiply
    106,467.10x = 158,828.14 × 103,571
  4. Step 4: Simplify right side
    106,467.10x = 16,449,989,287.94
  5. Step 5: Solve for x
    x = 16,449,989,287.94/106,467.10
  6. Step 6: Final answer
    x = 154,507.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.