Home / 156,931.15-235,385.92-50,313.55

Finding the Fourth Proportional to 156,931.15, 235,385.92 and 50,313.55

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Solution

The fourth proportional to 156,931.15, 235,385.92 and 50,313.55 is: 75,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.15 : 235,385.92 = 50,313.55 : x
  2. Step 2: Convert to fraction form
    156,931.15/235,385.92 = 50,313.55/x
  3. Step 3: Cross multiply
    156,931.15x = 235,385.92 × 50,313.55
  4. Step 4: Simplify right side
    156,931.15x = 11,843,101,255.22
  5. Step 5: Solve for x
    x = 11,843,101,255.22/156,931.15
  6. Step 6: Final answer
    x = 75,466.86

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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.