Home / 123,603.20-185,404.80-34,855.55

Finding the Fourth Proportional to 123,603.20, 185,404.80 and 34,855.55

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Solution

The fourth proportional to 123,603.20, 185,404.80 and 34,855.55 is: 52,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,603.20 : 185,404.80 = 34,855.55 : x
  2. Step 2: Convert to fraction form
    123,603.20/185,404.80 = 34,855.55/x
  3. Step 3: Cross multiply
    123,603.20x = 185,404.80 × 34,855.55
  4. Step 4: Simplify right side
    123,603.20x = 6,462,386,276.64
  5. Step 5: Solve for x
    x = 6,462,386,276.64/123,603.20
  6. Step 6: Final answer
    x = 52,283.33

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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.