Home / 133,061.60-199,592.40-106,817.60

Finding the Fourth Proportional to 133,061.60, 199,592.40 and 106,817.60

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Solution

The fourth proportional to 133,061.60, 199,592.40 and 106,817.60 is: 160,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,061.60 : 199,592.40 = 106,817.60 : x
  2. Step 2: Convert to fraction form
    133,061.60/199,592.40 = 106,817.60/x
  3. Step 3: Cross multiply
    133,061.60x = 199,592.40 × 106,817.60
  4. Step 4: Simplify right side
    133,061.60x = 21,319,981,146.24
  5. Step 5: Solve for x
    x = 21,319,981,146.24/133,061.60
  6. Step 6: Final answer
    x = 160,226.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.