Home / 126,741.52-174,921.72-73,016.08

Finding the Fourth Proportional to 126,741.52, 174,921.72 and 73,016.08

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Solution

The fourth proportional to 126,741.52, 174,921.72 and 73,016.08 is: 100,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.52 : 174,921.72 = 73,016.08 : x
  2. Step 2: Convert to fraction form
    126,741.52/174,921.72 = 73,016.08/x
  3. Step 3: Cross multiply
    126,741.52x = 174,921.72 × 73,016.08
  4. Step 4: Simplify right side
    126,741.52x = 12,772,098,301.26
  5. Step 5: Solve for x
    x = 12,772,098,301.26/126,741.52
  6. Step 6: Final answer
    x = 100,772.80

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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.