Home / 156,748.96-235,152.60-51,641.56

Finding the Fourth Proportional to 156,748.96, 235,152.60 and 51,641.56

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Solution

The fourth proportional to 156,748.96, 235,152.60 and 51,641.56 is: 77,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.96 : 235,152.60 = 51,641.56 : x
  2. Step 2: Convert to fraction form
    156,748.96/235,152.60 = 51,641.56/x
  3. Step 3: Cross multiply
    156,748.96x = 235,152.60 × 51,641.56
  4. Step 4: Simplify right side
    156,748.96x = 12,143,647,102.06
  5. Step 5: Solve for x
    x = 12,143,647,102.06/156,748.96
  6. Step 6: Final answer
    x = 77,471.95

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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.