Home / 178,688.40-268,098.12-73,515.60

Finding the Fourth Proportional to 178,688.40, 268,098.12 and 73,515.60

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Solution

The fourth proportional to 178,688.40, 268,098.12 and 73,515.60 is: 110,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,688.40 : 268,098.12 = 73,515.60 : x
  2. Step 2: Convert to fraction form
    178,688.40/268,098.12 = 73,515.60/x
  3. Step 3: Cross multiply
    178,688.40x = 268,098.12 × 73,515.60
  4. Step 4: Simplify right side
    178,688.40x = 19,709,394,150.67
  5. Step 5: Solve for x
    x = 19,709,394,150.67/178,688.40
  6. Step 6: Final answer
    x = 110,300.36

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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.