Home / 123,598.20-185,185.40-82,995.60

Finding the Fourth Proportional to 123,598.20, 185,185.40 and 82,995.60

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Solution

The fourth proportional to 123,598.20, 185,185.40 and 82,995.60 is: 124,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,598.20 : 185,185.40 = 82,995.60 : x
  2. Step 2: Convert to fraction form
    123,598.20/185,185.40 = 82,995.60/x
  3. Step 3: Cross multiply
    123,598.20x = 185,185.40 × 82,995.60
  4. Step 4: Simplify right side
    123,598.20x = 15,369,573,384.24
  5. Step 5: Solve for x
    x = 15,369,573,384.24/123,598.20
  6. Step 6: Final answer
    x = 124,351.11

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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.