Home / 117,356.10-175,747.06-105,983.70

Finding the Fourth Proportional to 117,356.10, 175,747.06 and 105,983.70

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Solution

The fourth proportional to 117,356.10, 175,747.06 and 105,983.70 is: 158,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,356.10 : 175,747.06 = 105,983.70 : x
  2. Step 2: Convert to fraction form
    117,356.10/175,747.06 = 105,983.70/x
  3. Step 3: Cross multiply
    117,356.10x = 175,747.06 × 105,983.70
  4. Step 4: Simplify right side
    117,356.10x = 18,626,323,682.92
  5. Step 5: Solve for x
    x = 18,626,323,682.92/117,356.10
  6. Step 6: Final answer
    x = 158,716.28

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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.