Home / 106,454.45-146,909.25-68,794.31

Finding the Fourth Proportional to 106,454.45, 146,909.25 and 68,794.31

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Solution

The fourth proportional to 106,454.45, 146,909.25 and 68,794.31 is: 94,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454.45 : 146,909.25 = 68,794.31 : x
  2. Step 2: Convert to fraction form
    106,454.45/146,909.25 = 68,794.31/x
  3. Step 3: Cross multiply
    106,454.45x = 146,909.25 × 68,794.31
  4. Step 4: Simplify right side
    106,454.45x = 10,106,519,751.82
  5. Step 5: Solve for x
    x = 10,106,519,751.82/106,454.45
  6. Step 6: Final answer
    x = 94,937.51

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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.