Home / 236,450.12-326,207.43-145,648.62

Finding the Fourth Proportional to 236,450.12, 326,207.43 and 145,648.62

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Solution

The fourth proportional to 236,450.12, 326,207.43 and 145,648.62 is: 200,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,450.12 : 326,207.43 = 145,648.62 : x
  2. Step 2: Convert to fraction form
    236,450.12/326,207.43 = 145,648.62/x
  3. Step 3: Cross multiply
    236,450.12x = 326,207.43 × 145,648.62
  4. Step 4: Simplify right side
    236,450.12x = 47,511,662,013.25
  5. Step 5: Solve for x
    x = 47,511,662,013.25/236,450.12
  6. Step 6: Final answer
    x = 200,937.36

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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.