Home / 126,741.49-174,911.63-73,029.89

Finding the Fourth Proportional to 126,741.49, 174,911.63 and 73,029.89

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Solution

The fourth proportional to 126,741.49, 174,911.63 and 73,029.89 is: 100,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.49 : 174,911.63 = 73,029.89 : x
  2. Step 2: Convert to fraction form
    126,741.49/174,911.63 = 73,029.89/x
  3. Step 3: Cross multiply
    126,741.49x = 174,911.63 × 73,029.89
  4. Step 4: Simplify right side
    126,741.49x = 12,773,777,170.75
  5. Step 5: Solve for x
    x = 12,773,777,170.75/126,741.49
  6. Step 6: Final answer
    x = 100,786.08

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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.