Home / 106,100.28-146,415.78-57,701.64

Finding the Fourth Proportional to 106,100.28, 146,415.78 and 57,701.64

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Solution

The fourth proportional to 106,100.28, 146,415.78 and 57,701.64 is: 79,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,100.28 : 146,415.78 = 57,701.64 : x
  2. Step 2: Convert to fraction form
    106,100.28/146,415.78 = 57,701.64/x
  3. Step 3: Cross multiply
    106,100.28x = 146,415.78 × 57,701.64
  4. Step 4: Simplify right side
    106,100.28x = 8,448,430,627.88
  5. Step 5: Solve for x
    x = 8,448,430,627.88/106,100.28
  6. Step 6: Final answer
    x = 79,626.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.