Home / 178,830.96-268,204.81-66,564.04

Finding the Fourth Proportional to 178,830.96, 268,204.81 and 66,564.04

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Solution

The fourth proportional to 178,830.96, 268,204.81 and 66,564.04 is: 99,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,830.96 : 268,204.81 = 66,564.04 : x
  2. Step 2: Convert to fraction form
    178,830.96/268,204.81 = 66,564.04/x
  3. Step 3: Cross multiply
    178,830.96x = 268,204.81 × 66,564.04
  4. Step 4: Simplify right side
    178,830.96x = 17,852,795,701.03
  5. Step 5: Solve for x
    x = 17,852,795,701.03/178,830.96
  6. Step 6: Final answer
    x = 99,830.56

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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.