Home / 312,931.68-469,227.96-110,426.28

Finding the Fourth Proportional to 312,931.68, 469,227.96 and 110,426.28

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Solution

The fourth proportional to 312,931.68, 469,227.96 and 110,426.28 is: 165,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,931.68 : 469,227.96 = 110,426.28 : x
  2. Step 2: Convert to fraction form
    312,931.68/469,227.96 = 110,426.28/x
  3. Step 3: Cross multiply
    312,931.68x = 469,227.96 × 110,426.28
  4. Step 4: Simplify right side
    312,931.68x = 51,815,098,094.79
  5. Step 5: Solve for x
    x = 51,815,098,094.79/312,931.68
  6. Step 6: Final answer
    x = 165,579.59

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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.