Home / 156,986.73-235,488.26-51,813.90

Finding the Fourth Proportional to 156,986.73, 235,488.26 and 51,813.90

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Solution

The fourth proportional to 156,986.73, 235,488.26 and 51,813.90 is: 77,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.73 : 235,488.26 = 51,813.90 : x
  2. Step 2: Convert to fraction form
    156,986.73/235,488.26 = 51,813.90/x
  3. Step 3: Cross multiply
    156,986.73x = 235,488.26 × 51,813.90
  4. Step 4: Simplify right side
    156,986.73x = 12,201,565,154.81
  5. Step 5: Solve for x
    x = 12,201,565,154.81/156,986.73
  6. Step 6: Final answer
    x = 77,723.54

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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.