Home / 144,161.30-216,241.44-38,980.26

Finding the Fourth Proportional to 144,161.30, 216,241.44 and 38,980.26

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Solution

The fourth proportional to 144,161.30, 216,241.44 and 38,980.26 is: 58,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,161.30 : 216,241.44 = 38,980.26 : x
  2. Step 2: Convert to fraction form
    144,161.30/216,241.44 = 38,980.26/x
  3. Step 3: Cross multiply
    144,161.30x = 216,241.44 × 38,980.26
  4. Step 4: Simplify right side
    144,161.30x = 8,429,147,553.97
  5. Step 5: Solve for x
    x = 8,429,147,553.97/144,161.30
  6. Step 6: Final answer
    x = 58,470.25

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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.