Home / 258,966.28-357,391.41-156,996.04

Finding the Fourth Proportional to 258,966.28, 357,391.41 and 156,996.04

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Solution

The fourth proportional to 258,966.28, 357,391.41 and 156,996.04 is: 216,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,966.28 : 357,391.41 = 156,996.04 : x
  2. Step 2: Convert to fraction form
    258,966.28/357,391.41 = 156,996.04/x
  3. Step 3: Cross multiply
    258,966.28x = 357,391.41 × 156,996.04
  4. Step 4: Simplify right side
    258,966.28x = 56,109,035,104.82
  5. Step 5: Solve for x
    x = 56,109,035,104.82/258,966.28
  6. Step 6: Final answer
    x = 216,665.41

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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.