Home / 106,543.44-158,941.91-103,647.49

Finding the Fourth Proportional to 106,543.44, 158,941.91 and 103,647.49

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Solution

The fourth proportional to 106,543.44, 158,941.91 and 103,647.49 is: 154,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,543.44 : 158,941.91 = 103,647.49 : x
  2. Step 2: Convert to fraction form
    106,543.44/158,941.91 = 103,647.49/x
  3. Step 3: Cross multiply
    106,543.44x = 158,941.91 × 103,647.49
  4. Step 4: Simplify right side
    106,543.44x = 16,473,928,714.36
  5. Step 5: Solve for x
    x = 16,473,928,714.36/106,543.44
  6. Step 6: Final answer
    x = 154,621.71

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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.