Home / 493,132.20-739,151.55-193,513.20

Finding the Fourth Proportional to 493,132.20, 739,151.55 and 193,513.20

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Solution

The fourth proportional to 493,132.20, 739,151.55 and 193,513.20 is: 290,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,132.20 : 739,151.55 = 193,513.20 : x
  2. Step 2: Convert to fraction form
    493,132.20/739,151.55 = 193,513.20/x
  3. Step 3: Cross multiply
    493,132.20x = 739,151.55 × 193,513.20
  4. Step 4: Simplify right side
    493,132.20x = 143,035,581,725.46
  5. Step 5: Solve for x
    x = 143,035,581,725.46/493,132.20
  6. Step 6: Final answer
    x = 290,055.25

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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.