Home / 123,900.08-185,857.20-35,146.60

Finding the Fourth Proportional to 123,900.08, 185,857.20 and 35,146.60

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Solution

The fourth proportional to 123,900.08, 185,857.20 and 35,146.60 is: 52,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900.08 : 185,857.20 = 35,146.60 : x
  2. Step 2: Convert to fraction form
    123,900.08/185,857.20 = 35,146.60/x
  3. Step 3: Cross multiply
    123,900.08x = 185,857.20 × 35,146.60
  4. Step 4: Simplify right side
    123,900.08x = 6,532,248,665.52
  5. Step 5: Solve for x
    x = 6,532,248,665.52/123,900.08
  6. Step 6: Final answer
    x = 52,721.91

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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.