Home / 194,564.80-291,685.20-82,331.20

Finding the Fourth Proportional to 194,564.80, 291,685.20 and 82,331.20

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Solution

The fourth proportional to 194,564.80, 291,685.20 and 82,331.20 is: 123,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,564.80 : 291,685.20 = 82,331.20 : x
  2. Step 2: Convert to fraction form
    194,564.80/291,685.20 = 82,331.20/x
  3. Step 3: Cross multiply
    194,564.80x = 291,685.20 × 82,331.20
  4. Step 4: Simplify right side
    194,564.80x = 24,014,792,538.24
  5. Step 5: Solve for x
    x = 24,014,792,538.24/194,564.80
  6. Step 6: Final answer
    x = 123,428.25

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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.