Home / 204,730.08-307,184.48-71,705.76

Finding the Fourth Proportional to 204,730.08, 307,184.48 and 71,705.76

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Solution

The fourth proportional to 204,730.08, 307,184.48 and 71,705.76 is: 107,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,730.08 : 307,184.48 = 71,705.76 : x
  2. Step 2: Convert to fraction form
    204,730.08/307,184.48 = 71,705.76/x
  3. Step 3: Cross multiply
    204,730.08x = 307,184.48 × 71,705.76
  4. Step 4: Simplify right side
    204,730.08x = 22,026,896,598.60
  5. Step 5: Solve for x
    x = 22,026,896,598.60/204,730.08
  6. Step 6: Final answer
    x = 107,589.94

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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.