Home / 106,084.16-158,895.84-103,135.04

Finding the Fourth Proportional to 106,084.16, 158,895.84 and 103,135.04

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Solution

The fourth proportional to 106,084.16, 158,895.84 and 103,135.04 is: 154,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,084.16 : 158,895.84 = 103,135.04 : x
  2. Step 2: Convert to fraction form
    106,084.16/158,895.84 = 103,135.04/x
  3. Step 3: Cross multiply
    106,084.16x = 158,895.84 × 103,135.04
  4. Step 4: Simplify right side
    106,084.16x = 16,387,728,814.23
  5. Step 5: Solve for x
    x = 16,387,728,814.23/106,084.16
  6. Step 6: Final answer
    x = 154,478.57

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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.