Home / 320,947.82-481,421.27-96,307.89

Finding the Fourth Proportional to 320,947.82, 481,421.27 and 96,307.89

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Solution

The fourth proportional to 320,947.82, 481,421.27 and 96,307.89 is: 144,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,947.82 : 481,421.27 = 96,307.89 : x
  2. Step 2: Convert to fraction form
    320,947.82/481,421.27 = 96,307.89/x
  3. Step 3: Cross multiply
    320,947.82x = 481,421.27 × 96,307.89
  4. Step 4: Simplify right side
    320,947.82x = 46,364,665,150.26
  5. Step 5: Solve for x
    x = 46,364,665,150.26/320,947.82
  6. Step 6: Final answer
    x = 144,461.69

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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.