Home / 126,659.22-174,780.09-70,069.38

Finding the Fourth Proportional to 126,659.22, 174,780.09 and 70,069.38

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Solution

The fourth proportional to 126,659.22, 174,780.09 and 70,069.38 is: 96,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,659.22 : 174,780.09 = 70,069.38 : x
  2. Step 2: Convert to fraction form
    126,659.22/174,780.09 = 70,069.38/x
  3. Step 3: Cross multiply
    126,659.22x = 174,780.09 × 70,069.38
  4. Step 4: Simplify right side
    126,659.22x = 12,246,732,542.64
  5. Step 5: Solve for x
    x = 12,246,732,542.64/126,659.22
  6. Step 6: Final answer
    x = 96,690.41

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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.