Home / 138,701.43-208,052.69-33,520.23

Finding the Fourth Proportional to 138,701.43, 208,052.69 and 33,520.23

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Solution

The fourth proportional to 138,701.43, 208,052.69 and 33,520.23 is: 50,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,701.43 : 208,052.69 = 33,520.23 : x
  2. Step 2: Convert to fraction form
    138,701.43/208,052.69 = 33,520.23/x
  3. Step 3: Cross multiply
    138,701.43x = 208,052.69 × 33,520.23
  4. Step 4: Simplify right side
    138,701.43x = 6,973,973,853.32
  5. Step 5: Solve for x
    x = 6,973,973,853.32/138,701.43
  6. Step 6: Final answer
    x = 50,280.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.