Home / 257,856.24-386,802.99-107,945.76

Finding the Fourth Proportional to 257,856.24, 386,802.99 and 107,945.76

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Solution

The fourth proportional to 257,856.24, 386,802.99 and 107,945.76 is: 161,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,856.24 : 386,802.99 = 107,945.76 : x
  2. Step 2: Convert to fraction form
    257,856.24/386,802.99 = 107,945.76/x
  3. Step 3: Cross multiply
    257,856.24x = 386,802.99 × 107,945.76
  4. Step 4: Simplify right side
    257,856.24x = 41,753,742,725.82
  5. Step 5: Solve for x
    x = 41,753,742,725.82/257,856.24
  6. Step 6: Final answer
    x = 161,926.44

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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.