Home / 330,720.02-456,390.42-179,817.02

Finding the Fourth Proportional to 330,720.02, 456,390.42 and 179,817.02

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Solution

The fourth proportional to 330,720.02, 456,390.42 and 179,817.02 is: 248,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,720.02 : 456,390.42 = 179,817.02 : x
  2. Step 2: Convert to fraction form
    330,720.02/456,390.42 = 179,817.02/x
  3. Step 3: Cross multiply
    330,720.02x = 456,390.42 × 179,817.02
  4. Step 4: Simplify right side
    330,720.02x = 82,066,765,280.95
  5. Step 5: Solve for x
    x = 82,066,765,280.95/330,720.02
  6. Step 6: Final answer
    x = 248,145.74

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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.