Home / 119,158.58-178,353.63-65,766.50

Finding the Fourth Proportional to 119,158.58, 178,353.63 and 65,766.50

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Solution

The fourth proportional to 119,158.58, 178,353.63 and 65,766.50 is: 98,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158.58 : 178,353.63 = 65,766.50 : x
  2. Step 2: Convert to fraction form
    119,158.58/178,353.63 = 65,766.50/x
  3. Step 3: Cross multiply
    119,158.58x = 178,353.63 × 65,766.50
  4. Step 4: Simplify right side
    119,158.58x = 11,729,694,007.40
  5. Step 5: Solve for x
    x = 11,729,694,007.40/119,158.58
  6. Step 6: Final answer
    x = 98,437.68

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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.