Home / 330,664.32-496,032.96-105,971.52

Finding the Fourth Proportional to 330,664.32, 496,032.96 and 105,971.52

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Solution

The fourth proportional to 330,664.32, 496,032.96 and 105,971.52 is: 158,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,664.32 : 496,032.96 = 105,971.52 : x
  2. Step 2: Convert to fraction form
    330,664.32/496,032.96 = 105,971.52/x
  3. Step 3: Cross multiply
    330,664.32x = 496,032.96 × 105,971.52
  4. Step 4: Simplify right side
    330,664.32x = 52,565,366,741.30
  5. Step 5: Solve for x
    x = 52,565,366,741.30/330,664.32
  6. Step 6: Final answer
    x = 158,968.97

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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.