Home / 106,957.32-147,625.88-71,148.84

Finding the Fourth Proportional to 106,957.32, 147,625.88 and 71,148.84

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Solution

The fourth proportional to 106,957.32, 147,625.88 and 71,148.84 is: 98,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,957.32 : 147,625.88 = 71,148.84 : x
  2. Step 2: Convert to fraction form
    106,957.32/147,625.88 = 71,148.84/x
  3. Step 3: Cross multiply
    106,957.32x = 147,625.88 × 71,148.84
  4. Step 4: Simplify right side
    106,957.32x = 10,503,410,115.98
  5. Step 5: Solve for x
    x = 10,503,410,115.98/106,957.32
  6. Step 6: Final answer
    x = 98,201.88

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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.