Home / 239,173.56-330,082.74-178,639.20

Finding the Fourth Proportional to 239,173.56, 330,082.74 and 178,639.20

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Solution

The fourth proportional to 239,173.56, 330,082.74 and 178,639.20 is: 246,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,173.56 : 330,082.74 = 178,639.20 : x
  2. Step 2: Convert to fraction form
    239,173.56/330,082.74 = 178,639.20/x
  3. Step 3: Cross multiply
    239,173.56x = 330,082.74 × 178,639.20
  4. Step 4: Simplify right side
    239,173.56x = 58,965,716,607.41
  5. Step 5: Solve for x
    x = 58,965,716,607.41/239,173.56
  6. Step 6: Final answer
    x = 246,539.44

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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.