Home / 112,106.64-155,768.84-110,936.60

Finding the Fourth Proportional to 112,106.64, 155,768.84 and 110,936.60

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Solution

The fourth proportional to 112,106.64, 155,768.84 and 110,936.60 is: 154,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,106.64 : 155,768.84 = 110,936.60 : x
  2. Step 2: Convert to fraction form
    112,106.64/155,768.84 = 110,936.60/x
  3. Step 3: Cross multiply
    112,106.64x = 155,768.84 × 110,936.60
  4. Step 4: Simplify right side
    112,106.64x = 17,280,465,495.54
  5. Step 5: Solve for x
    x = 17,280,465,495.54/112,106.64
  6. Step 6: Final answer
    x = 154,143.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.