Home / 227,712.80-341,569.20-159,806.45

Finding the Fourth Proportional to 227,712.80, 341,569.20 and 159,806.45

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Solution

The fourth proportional to 227,712.80, 341,569.20 and 159,806.45 is: 239,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,712.80 : 341,569.20 = 159,806.45 : x
  2. Step 2: Convert to fraction form
    227,712.80/341,569.20 = 159,806.45/x
  3. Step 3: Cross multiply
    227,712.80x = 341,569.20 × 159,806.45
  4. Step 4: Simplify right side
    227,712.80x = 54,584,961,281.34
  5. Step 5: Solve for x
    x = 54,584,961,281.34/227,712.80
  6. Step 6: Final answer
    x = 239,709.68

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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.