Home / 389,500.83-584,192.75-123,226.74

Finding the Fourth Proportional to 389,500.83, 584,192.75 and 123,226.74

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Solution

The fourth proportional to 389,500.83, 584,192.75 and 123,226.74 is: 184,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,500.83 : 584,192.75 = 123,226.74 : x
  2. Step 2: Convert to fraction form
    389,500.83/584,192.75 = 123,226.74/x
  3. Step 3: Cross multiply
    389,500.83x = 584,192.75 × 123,226.74
  4. Step 4: Simplify right side
    389,500.83x = 71,988,167,498.00
  5. Step 5: Solve for x
    x = 71,988,167,498.00/389,500.83
  6. Step 6: Final answer
    x = 184,821.60

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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.