Home / 126,606.67-174,634.73-81,212.75

Finding the Fourth Proportional to 126,606.67, 174,634.73 and 81,212.75

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Solution

The fourth proportional to 126,606.67, 174,634.73 and 81,212.75 is: 112,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,606.67 : 174,634.73 = 81,212.75 : x
  2. Step 2: Convert to fraction form
    126,606.67/174,634.73 = 81,212.75/x
  3. Step 3: Cross multiply
    126,606.67x = 174,634.73 × 81,212.75
  4. Step 4: Simplify right side
    126,606.67x = 14,182,566,699.33
  5. Step 5: Solve for x
    x = 14,182,566,699.33/126,606.67
  6. Step 6: Final answer
    x = 112,020.69

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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.