Home / 513,001.30-769,584.64-158,015.16

Finding the Fourth Proportional to 513,001.30, 769,584.64 and 158,015.16

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Solution

The fourth proportional to 513,001.30, 769,584.64 and 158,015.16 is: 237,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,001.30 : 769,584.64 = 158,015.16 : x
  2. Step 2: Convert to fraction form
    513,001.30/769,584.64 = 158,015.16/x
  3. Step 3: Cross multiply
    513,001.30x = 769,584.64 × 158,015.16
  4. Step 4: Simplify right side
    513,001.30x = 121,606,040,023.14
  5. Step 5: Solve for x
    x = 121,606,040,023.14/513,001.30
  6. Step 6: Final answer
    x = 237,048.21

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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.