Home / 118,106.07-177,107.16-43,206.79

Finding the Fourth Proportional to 118,106.07, 177,107.16 and 43,206.79

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Solution

The fourth proportional to 118,106.07, 177,107.16 and 43,206.79 is: 64,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106.07 : 177,107.16 = 43,206.79 : x
  2. Step 2: Convert to fraction form
    118,106.07/177,107.16 = 43,206.79/x
  3. Step 3: Cross multiply
    118,106.07x = 177,107.16 × 43,206.79
  4. Step 4: Simplify right side
    118,106.07x = 7,652,231,869.62
  5. Step 5: Solve for x
    x = 7,652,231,869.62/118,106.07
  6. Step 6: Final answer
    x = 64,791.18

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1.5x scale

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.