Home / 558,288.96-837,433.90-137,564.88

Finding the Fourth Proportional to 558,288.96, 837,433.90 and 137,564.88

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Solution

The fourth proportional to 558,288.96, 837,433.90 and 137,564.88 is: 206,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,288.96 : 837,433.90 = 137,564.88 : x
  2. Step 2: Convert to fraction form
    558,288.96/837,433.90 = 137,564.88/x
  3. Step 3: Cross multiply
    558,288.96x = 837,433.90 × 137,564.88
  4. Step 4: Simplify right side
    558,288.96x = 115,201,493,961.43
  5. Step 5: Solve for x
    x = 115,201,493,961.43/558,288.96
  6. Step 6: Final answer
    x = 206,347.43

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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.