Home / 149,566.75-206,402.12-82,498.75

Finding the Fourth Proportional to 149,566.75, 206,402.12 and 82,498.75

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Solution

The fourth proportional to 149,566.75, 206,402.12 and 82,498.75 is: 113,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,566.75 : 206,402.12 = 82,498.75 : x
  2. Step 2: Convert to fraction form
    149,566.75/206,402.12 = 82,498.75/x
  3. Step 3: Cross multiply
    149,566.75x = 206,402.12 × 82,498.75
  4. Step 4: Simplify right side
    149,566.75x = 17,027,916,897.35
  5. Step 5: Solve for x
    x = 17,027,916,897.35/149,566.75
  6. Step 6: Final answer
    x = 113,848.28

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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.