Home / 203,240.22-280,518.14-135,260.04

Finding the Fourth Proportional to 203,240.22, 280,518.14 and 135,260.04

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Solution

The fourth proportional to 203,240.22, 280,518.14 and 135,260.04 is: 186,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,240.22 : 280,518.14 = 135,260.04 : x
  2. Step 2: Convert to fraction form
    203,240.22/280,518.14 = 135,260.04/x
  3. Step 3: Cross multiply
    203,240.22x = 280,518.14 × 135,260.04
  4. Step 4: Simplify right side
    203,240.22x = 37,942,894,837.13
  5. Step 5: Solve for x
    x = 37,942,894,837.13/203,240.22
  6. Step 6: Final answer
    x = 186,689.89

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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.