Home / 116,886.46-161,304.05-63,171.35

Finding the Fourth Proportional to 116,886.46, 161,304.05 and 63,171.35

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Solution

The fourth proportional to 116,886.46, 161,304.05 and 63,171.35 is: 87,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,886.46 : 161,304.05 = 63,171.35 : x
  2. Step 2: Convert to fraction form
    116,886.46/161,304.05 = 63,171.35/x
  3. Step 3: Cross multiply
    116,886.46x = 161,304.05 × 63,171.35
  4. Step 4: Simplify right side
    116,886.46x = 10,189,794,598.97
  5. Step 5: Solve for x
    x = 10,189,794,598.97/116,886.46
  6. Step 6: Final answer
    x = 87,176.86

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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.