Home / 320,871.07-481,277.80-96,281.66

Finding the Fourth Proportional to 320,871.07, 481,277.80 and 96,281.66

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Solution

The fourth proportional to 320,871.07, 481,277.80 and 96,281.66 is: 144,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,871.07 : 481,277.80 = 96,281.66 : x
  2. Step 2: Convert to fraction form
    320,871.07/481,277.80 = 96,281.66/x
  3. Step 3: Cross multiply
    320,871.07x = 481,277.80 × 96,281.66
  4. Step 4: Simplify right side
    320,871.07x = 46,338,226,828.69
  5. Step 5: Solve for x
    x = 46,338,226,828.69/320,871.07
  6. Step 6: Final answer
    x = 144,413.85

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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.