Home / 106,928.54-147,551.37-63,899.47

Finding the Fourth Proportional to 106,928.54, 147,551.37 and 63,899.47

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Solution

The fourth proportional to 106,928.54, 147,551.37 and 63,899.47 is: 88,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,928.54 : 147,551.37 = 63,899.47 : x
  2. Step 2: Convert to fraction form
    106,928.54/147,551.37 = 63,899.47/x
  3. Step 3: Cross multiply
    106,928.54x = 147,551.37 × 63,899.47
  4. Step 4: Simplify right side
    106,928.54x = 9,428,453,815.05
  5. Step 5: Solve for x
    x = 9,428,453,815.05/106,928.54
  6. Step 6: Final answer
    x = 88,175.28

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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.