Home / 330,573.12-456,188.40-179,671.20

Finding the Fourth Proportional to 330,573.12, 456,188.40 and 179,671.20

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Solution

The fourth proportional to 330,573.12, 456,188.40 and 179,671.20 is: 247,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,573.12 : 456,188.40 = 179,671.20 : x
  2. Step 2: Convert to fraction form
    330,573.12/456,188.40 = 179,671.20/x
  3. Step 3: Cross multiply
    330,573.12x = 456,188.40 × 179,671.20
  4. Step 4: Simplify right side
    330,573.12x = 81,963,917,254.08
  5. Step 5: Solve for x
    x = 81,963,917,254.08/330,573.12
  6. Step 6: Final answer
    x = 247,944.89

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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.