Home / 320,920.70-481,352.36-96,331.32

Finding the Fourth Proportional to 320,920.70, 481,352.36 and 96,331.32

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Solution

The fourth proportional to 320,920.70, 481,352.36 and 96,331.32 is: 144,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,920.70 : 481,352.36 = 96,331.32 : x
  2. Step 2: Convert to fraction form
    320,920.70/481,352.36 = 96,331.32/x
  3. Step 3: Cross multiply
    320,920.70x = 481,352.36 × 96,331.32
  4. Step 4: Simplify right side
    320,920.70x = 46,369,307,742.26
  5. Step 5: Solve for x
    x = 46,369,307,742.26/320,920.70
  6. Step 6: Final answer
    x = 144,488.37

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1.5x scale

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.