Home / 156,950.10-235,439.55-51,769.30

Finding the Fourth Proportional to 156,950.10, 235,439.55 and 51,769.30

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Solution

The fourth proportional to 156,950.10, 235,439.55 and 51,769.30 is: 77,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.10 : 235,439.55 = 51,769.30 : x
  2. Step 2: Convert to fraction form
    156,950.10/235,439.55 = 51,769.30/x
  3. Step 3: Cross multiply
    156,950.10x = 235,439.55 × 51,769.30
  4. Step 4: Simplify right side
    156,950.10x = 12,188,540,695.82
  5. Step 5: Solve for x
    x = 12,188,540,695.82/156,950.10
  6. Step 6: Final answer
    x = 77,658.70

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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.