Home / 320,726.28-481,118.58-84,068.04

Finding the Fourth Proportional to 320,726.28, 481,118.58 and 84,068.04

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Solution

The fourth proportional to 320,726.28, 481,118.58 and 84,068.04 is: 126,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,726.28 : 481,118.58 = 84,068.04 : x
  2. Step 2: Convert to fraction form
    320,726.28/481,118.58 = 84,068.04/x
  3. Step 3: Cross multiply
    320,726.28x = 481,118.58 × 84,068.04
  4. Step 4: Simplify right side
    320,726.28x = 40,446,696,028.18
  5. Step 5: Solve for x
    x = 40,446,696,028.18/320,726.28
  6. Step 6: Final answer
    x = 126,109.70

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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.