Home / 105,891.08-146,171.32-63,441.41

Finding the Fourth Proportional to 105,891.08, 146,171.32 and 63,441.41

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Solution

The fourth proportional to 105,891.08, 146,171.32 and 63,441.41 is: 87,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891.08 : 146,171.32 = 63,441.41 : x
  2. Step 2: Convert to fraction form
    105,891.08/146,171.32 = 63,441.41/x
  3. Step 3: Cross multiply
    105,891.08x = 146,171.32 × 63,441.41
  4. Step 4: Simplify right side
    105,891.08x = 9,273,313,752.90
  5. Step 5: Solve for x
    x = 9,273,313,752.90/105,891.08
  6. Step 6: Final answer
    x = 87,574.08

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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.