Home / 111,660.40-167,513.68-36,785.10

Finding the Fourth Proportional to 111,660.40, 167,513.68 and 36,785.10

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Solution

The fourth proportional to 111,660.40, 167,513.68 and 36,785.10 is: 55,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,660.40 : 167,513.68 = 36,785.10 : x
  2. Step 2: Convert to fraction form
    111,660.40/167,513.68 = 36,785.10/x
  3. Step 3: Cross multiply
    111,660.40x = 167,513.68 × 36,785.10
  4. Step 4: Simplify right side
    111,660.40x = 6,162,007,470.17
  5. Step 5: Solve for x
    x = 6,162,007,470.17/111,660.40
  6. Step 6: Final answer
    x = 55,185.25

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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.