Home / 134,139.26-185,112.13-73,713.80

Finding the Fourth Proportional to 134,139.26, 185,112.13 and 73,713.80

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Solution

The fourth proportional to 134,139.26, 185,112.13 and 73,713.80 is: 101,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.26 : 185,112.13 = 73,713.80 : x
  2. Step 2: Convert to fraction form
    134,139.26/185,112.13 = 73,713.80/x
  3. Step 3: Cross multiply
    134,139.26x = 185,112.13 × 73,713.80
  4. Step 4: Simplify right side
    134,139.26x = 13,645,318,528.39
  5. Step 5: Solve for x
    x = 13,645,318,528.39/134,139.26
  6. Step 6: Final answer
    x = 101,725.02

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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.