Home / 156,950.69-235,426.03-51,777.86

Finding the Fourth Proportional to 156,950.69, 235,426.03 and 51,777.86

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Solution

The fourth proportional to 156,950.69, 235,426.03 and 51,777.86 is: 77,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.69 : 235,426.03 = 51,777.86 : x
  2. Step 2: Convert to fraction form
    156,950.69/235,426.03 = 51,777.86/x
  3. Step 3: Cross multiply
    156,950.69x = 235,426.03 × 51,777.86
  4. Step 4: Simplify right side
    156,950.69x = 12,189,856,021.70
  5. Step 5: Solve for x
    x = 12,189,856,021.70/156,950.69
  6. Step 6: Final answer
    x = 77,666.79

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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.