Home / 304,792.20-420,581.16-168,822.50

Finding the Fourth Proportional to 304,792.20, 420,581.16 and 168,822.50

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Solution

The fourth proportional to 304,792.20, 420,581.16 and 168,822.50 is: 232,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,792.20 : 420,581.16 = 168,822.50 : x
  2. Step 2: Convert to fraction form
    304,792.20/420,581.16 = 168,822.50/x
  3. Step 3: Cross multiply
    304,792.20x = 420,581.16 × 168,822.50
  4. Step 4: Simplify right side
    304,792.20x = 71,003,560,781.19
  5. Step 5: Solve for x
    x = 71,003,560,781.19/304,792.20
  6. Step 6: Final answer
    x = 232,957.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.