Home / 123,009.20-184,488.60-34,240.40

Finding the Fourth Proportional to 123,009.20, 184,488.60 and 34,240.40

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Solution

The fourth proportional to 123,009.20, 184,488.60 and 34,240.40 is: 51,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,009.20 : 184,488.60 = 34,240.40 : x
  2. Step 2: Convert to fraction form
    123,009.20/184,488.60 = 34,240.40/x
  3. Step 3: Cross multiply
    123,009.20x = 184,488.60 × 34,240.40
  4. Step 4: Simplify right side
    123,009.20x = 6,316,963,459.44
  5. Step 5: Solve for x
    x = 6,316,963,459.44/123,009.20
  6. Step 6: Final answer
    x = 51,353.59

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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.