Home / 106,675.46-147,101.88-91,617.98

Finding the Fourth Proportional to 106,675.46, 147,101.88 and 91,617.98

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Solution

The fourth proportional to 106,675.46, 147,101.88 and 91,617.98 is: 126,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,675.46 : 147,101.88 = 91,617.98 : x
  2. Step 2: Convert to fraction form
    106,675.46/147,101.88 = 91,617.98/x
  3. Step 3: Cross multiply
    106,675.46x = 147,101.88 × 91,617.98
  4. Step 4: Simplify right side
    106,675.46x = 13,477,177,099.80
  5. Step 5: Solve for x
    x = 13,477,177,099.80/106,675.46
  6. Step 6: Final answer
    x = 126,338.12

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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.