Home / 114,546.50-158,143.30-74,871.62

Finding the Fourth Proportional to 114,546.50, 158,143.30 and 74,871.62

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Solution

The fourth proportional to 114,546.50, 158,143.30 and 74,871.62 is: 103,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,546.50 : 158,143.30 = 74,871.62 : x
  2. Step 2: Convert to fraction form
    114,546.50/158,143.30 = 74,871.62/x
  3. Step 3: Cross multiply
    114,546.50x = 158,143.30 × 74,871.62
  4. Step 4: Simplify right side
    114,546.50x = 11,840,445,063.15
  5. Step 5: Solve for x
    x = 11,840,445,063.15/114,546.50
  6. Step 6: Final answer
    x = 103,368.02

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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.