Home / 117,019.96-161,487.06-63,304.85

Finding the Fourth Proportional to 117,019.96, 161,487.06 and 63,304.85

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Solution

The fourth proportional to 117,019.96, 161,487.06 and 63,304.85 is: 87,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,019.96 : 161,487.06 = 63,304.85 : x
  2. Step 2: Convert to fraction form
    117,019.96/161,487.06 = 63,304.85/x
  3. Step 3: Cross multiply
    117,019.96x = 161,487.06 × 63,304.85
  4. Step 4: Simplify right side
    117,019.96x = 10,222,914,110.24
  5. Step 5: Solve for x
    x = 10,222,914,110.24/117,019.96
  6. Step 6: Final answer
    x = 87,360.43

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1.5x scale

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.