Home / 161,815.05-223,304.04-93,871.44

Finding the Fourth Proportional to 161,815.05, 223,304.04 and 93,871.44

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Solution

The fourth proportional to 161,815.05, 223,304.04 and 93,871.44 is: 129,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.05 : 223,304.04 = 93,871.44 : x
  2. Step 2: Convert to fraction form
    161,815.05/223,304.04 = 93,871.44/x
  3. Step 3: Cross multiply
    161,815.05x = 223,304.04 × 93,871.44
  4. Step 4: Simplify right side
    161,815.05x = 20,961,871,792.62
  5. Step 5: Solve for x
    x = 20,961,871,792.62/161,815.05
  6. Step 6: Final answer
    x = 129,542.16

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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.