Home / 451,456.74-677,289.13-151,929.47

Finding the Fourth Proportional to 451,456.74, 677,289.13 and 151,929.47

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Solution

The fourth proportional to 451,456.74, 677,289.13 and 151,929.47 is: 227,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,456.74 : 677,289.13 = 151,929.47 : x
  2. Step 2: Convert to fraction form
    451,456.74/677,289.13 = 151,929.47/x
  3. Step 3: Cross multiply
    451,456.74x = 677,289.13 × 151,929.47
  4. Step 4: Simplify right side
    451,456.74x = 102,900,179,871.06
  5. Step 5: Solve for x
    x = 102,900,179,871.06/451,456.74
  6. Step 6: Final answer
    x = 227,929.21

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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.