Home / 126,653.38-174,705.50-83,633.26

Finding the Fourth Proportional to 126,653.38, 174,705.50 and 83,633.26

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Solution

The fourth proportional to 126,653.38, 174,705.50 and 83,633.26 is: 115,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,653.38 : 174,705.50 = 83,633.26 : x
  2. Step 2: Convert to fraction form
    126,653.38/174,705.50 = 83,633.26/x
  3. Step 3: Cross multiply
    126,653.38x = 174,705.50 × 83,633.26
  4. Step 4: Simplify right side
    126,653.38x = 14,611,190,504.93
  5. Step 5: Solve for x
    x = 14,611,190,504.93/126,653.38
  6. Step 6: Final answer
    x = 115,363.61

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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.