Home / 126,325.40-174,326.44-72,609.04

Finding the Fourth Proportional to 126,325.40, 174,326.44 and 72,609.04

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Solution

The fourth proportional to 126,325.40, 174,326.44 and 72,609.04 is: 100,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,325.40 : 174,326.44 = 72,609.04 : x
  2. Step 2: Convert to fraction form
    126,325.40/174,326.44 = 72,609.04/x
  3. Step 3: Cross multiply
    126,325.40x = 174,326.44 × 72,609.04
  4. Step 4: Simplify right side
    126,325.40x = 12,657,675,455.02
  5. Step 5: Solve for x
    x = 12,657,675,455.02/126,325.40
  6. Step 6: Final answer
    x = 100,198.97

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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.