Home / 123,899.04-185,855.62-35,145.60

Finding the Fourth Proportional to 123,899.04, 185,855.62 and 35,145.60

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Solution

The fourth proportional to 123,899.04, 185,855.62 and 35,145.60 is: 52,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,899.04 : 185,855.62 = 35,145.60 : x
  2. Step 2: Convert to fraction form
    123,899.04/185,855.62 = 35,145.60/x
  3. Step 3: Cross multiply
    123,899.04x = 185,855.62 × 35,145.60
  4. Step 4: Simplify right side
    123,899.04x = 6,532,007,278.27
  5. Step 5: Solve for x
    x = 6,532,007,278.27/123,899.04
  6. Step 6: Final answer
    x = 52,720.40

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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.