Home / 123,900.04-185,857.12-35,146.60

Finding the Fourth Proportional to 123,900.04, 185,857.12 and 35,146.60

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Solution

The fourth proportional to 123,900.04, 185,857.12 and 35,146.60 is: 52,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900.04 : 185,857.12 = 35,146.60 : x
  2. Step 2: Convert to fraction form
    123,900.04/185,857.12 = 35,146.60/x
  3. Step 3: Cross multiply
    123,900.04x = 185,857.12 × 35,146.60
  4. Step 4: Simplify right side
    123,900.04x = 6,532,245,853.79
  5. Step 5: Solve for x
    x = 6,532,245,853.79/123,900.04
  6. Step 6: Final answer
    x = 52,721.90

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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.