Home / 118,106.38-177,107.63-43,207.10

Finding the Fourth Proportional to 118,106.38, 177,107.63 and 43,207.10

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Solution

The fourth proportional to 118,106.38, 177,107.63 and 43,207.10 is: 64,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106.38 : 177,107.63 = 43,207.10 : x
  2. Step 2: Convert to fraction form
    118,106.38/177,107.63 = 43,207.10/x
  3. Step 3: Cross multiply
    118,106.38x = 177,107.63 × 43,207.10
  4. Step 4: Simplify right side
    118,106.38x = 7,652,306,642.75
  5. Step 5: Solve for x
    x = 7,652,306,642.75/118,106.38
  6. Step 6: Final answer
    x = 64,791.64

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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.