Home / 354,629.40-531,944.10-168,005.40

Finding the Fourth Proportional to 354,629.40, 531,944.10 and 168,005.40

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Solution

The fourth proportional to 354,629.40, 531,944.10 and 168,005.40 is: 252,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,629.40 : 531,944.10 = 168,005.40 : x
  2. Step 2: Convert to fraction form
    354,629.40/531,944.10 = 168,005.40/x
  3. Step 3: Cross multiply
    354,629.40x = 531,944.10 × 168,005.40
  4. Step 4: Simplify right side
    354,629.40x = 89,369,481,298.14
  5. Step 5: Solve for x
    x = 89,369,481,298.14/354,629.40
  6. Step 6: Final answer
    x = 252,008.10

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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.