Home / 302,917.62-454,376.37-81,301.62

Finding the Fourth Proportional to 302,917.62, 454,376.37 and 81,301.62

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Solution

The fourth proportional to 302,917.62, 454,376.37 and 81,301.62 is: 121,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,917.62 : 454,376.37 = 81,301.62 : x
  2. Step 2: Convert to fraction form
    302,917.62/454,376.37 = 81,301.62/x
  3. Step 3: Cross multiply
    302,917.62x = 454,376.37 × 81,301.62
  4. Step 4: Simplify right side
    302,917.62x = 36,941,534,970.72
  5. Step 5: Solve for x
    x = 36,941,534,970.72/302,917.62
  6. Step 6: Final answer
    x = 121,952.41

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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.