Home / 114,629.80-171,944.70-112,880.20

Finding the Fourth Proportional to 114,629.80, 171,944.70 and 112,880.20

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Solution

The fourth proportional to 114,629.80, 171,944.70 and 112,880.20 is: 169,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,629.80 : 171,944.70 = 112,880.20 : x
  2. Step 2: Convert to fraction form
    114,629.80/171,944.70 = 112,880.20/x
  3. Step 3: Cross multiply
    114,629.80x = 171,944.70 × 112,880.20
  4. Step 4: Simplify right side
    114,629.80x = 19,409,152,124.94
  5. Step 5: Solve for x
    x = 19,409,152,124.94/114,629.80
  6. Step 6: Final answer
    x = 169,320.30

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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.