Home / 493,120.16-739,701.38-193,665.64

Finding the Fourth Proportional to 493,120.16, 739,701.38 and 193,665.64

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Solution

The fourth proportional to 493,120.16, 739,701.38 and 193,665.64 is: 290,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,120.16 : 739,701.38 = 193,665.64 : x
  2. Step 2: Convert to fraction form
    493,120.16/739,701.38 = 193,665.64/x
  3. Step 3: Cross multiply
    493,120.16x = 739,701.38 × 193,665.64
  4. Step 4: Simplify right side
    493,120.16x = 143,254,741,166.58
  5. Step 5: Solve for x
    x = 143,254,741,166.58/493,120.16
  6. Step 6: Final answer
    x = 290,506.76

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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.