Home / 156,788.70-235,216.60-48,715.80

Finding the Fourth Proportional to 156,788.70, 235,216.60 and 48,715.80

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Solution

The fourth proportional to 156,788.70, 235,216.60 and 48,715.80 is: 73,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.70 : 235,216.60 = 48,715.80 : x
  2. Step 2: Convert to fraction form
    156,788.70/235,216.60 = 48,715.80/x
  3. Step 3: Cross multiply
    156,788.70x = 235,216.60 × 48,715.80
  4. Step 4: Simplify right side
    156,788.70x = 11,458,764,842.28
  5. Step 5: Solve for x
    x = 11,458,764,842.28/156,788.70
  6. Step 6: Final answer
    x = 73,084.12

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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.