Home / 123,008.20-184,487.10-34,239.40

Finding the Fourth Proportional to 123,008.20, 184,487.10 and 34,239.40

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Solution

The fourth proportional to 123,008.20, 184,487.10 and 34,239.40 is: 51,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008.20 : 184,487.10 = 34,239.40 : x
  2. Step 2: Convert to fraction form
    123,008.20/184,487.10 = 34,239.40/x
  3. Step 3: Cross multiply
    123,008.20x = 184,487.10 × 34,239.40
  4. Step 4: Simplify right side
    123,008.20x = 6,316,727,611.74
  5. Step 5: Solve for x
    x = 6,316,727,611.74/123,008.20
  6. Step 6: Final answer
    x = 51,352.09

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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.