Home / 177,861.80-266,792.70-163,346.60

Finding the Fourth Proportional to 177,861.80, 266,792.70 and 163,346.60

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Solution

The fourth proportional to 177,861.80, 266,792.70 and 163,346.60 is: 245,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,861.80 : 266,792.70 = 163,346.60 : x
  2. Step 2: Convert to fraction form
    177,861.80/266,792.70 = 163,346.60/x
  3. Step 3: Cross multiply
    177,861.80x = 266,792.70 × 163,346.60
  4. Step 4: Simplify right side
    177,861.80x = 43,579,680,449.82
  5. Step 5: Solve for x
    x = 43,579,680,449.82/177,861.80
  6. Step 6: Final answer
    x = 245,019.90

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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.