Home / 330,562.12-456,173.40-179,659.12

Finding the Fourth Proportional to 330,562.12, 456,173.40 and 179,659.12

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Solution

The fourth proportional to 330,562.12, 456,173.40 and 179,659.12 is: 247,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,562.12 : 456,173.40 = 179,659.12 : x
  2. Step 2: Convert to fraction form
    330,562.12/456,173.40 = 179,659.12/x
  3. Step 3: Cross multiply
    330,562.12x = 456,173.40 × 179,659.12
  4. Step 4: Simplify right side
    330,562.12x = 81,955,711,611.41
  5. Step 5: Solve for x
    x = 81,955,711,611.41/330,562.12
  6. Step 6: Final answer
    x = 247,928.32

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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.