Home / 239,033.28-358,546.68-81,371.64

Finding the Fourth Proportional to 239,033.28, 358,546.68 and 81,371.64

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Solution

The fourth proportional to 239,033.28, 358,546.68 and 81,371.64 is: 122,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,033.28 : 358,546.68 = 81,371.64 : x
  2. Step 2: Convert to fraction form
    239,033.28/358,546.68 = 81,371.64/x
  3. Step 3: Cross multiply
    239,033.28x = 358,546.68 × 81,371.64
  4. Step 4: Simplify right side
    239,033.28x = 29,175,531,368.16
  5. Step 5: Solve for x
    x = 29,175,531,368.16/239,033.28
  6. Step 6: Final answer
    x = 122,056.36

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1.5x scale

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.