Home / 330,481.41-456,027.33-187,210.77

Finding the Fourth Proportional to 330,481.41, 456,027.33 and 187,210.77

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Solution

The fourth proportional to 330,481.41, 456,027.33 and 187,210.77 is: 258,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,481.41 : 456,027.33 = 187,210.77 : x
  2. Step 2: Convert to fraction form
    330,481.41/456,027.33 = 187,210.77/x
  3. Step 3: Cross multiply
    330,481.41x = 456,027.33 × 187,210.77
  4. Step 4: Simplify right side
    330,481.41x = 85,373,227,590.34
  5. Step 5: Solve for x
    x = 85,373,227,590.34/330,481.41
  6. Step 6: Final answer
    x = 258,329.89

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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.