Home / 156,986.62-235,488.08-51,813.80

Finding the Fourth Proportional to 156,986.62, 235,488.08 and 51,813.80

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Solution

The fourth proportional to 156,986.62, 235,488.08 and 51,813.80 is: 77,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.62 : 235,488.08 = 51,813.80 : x
  2. Step 2: Convert to fraction form
    156,986.62/235,488.08 = 51,813.80/x
  3. Step 3: Cross multiply
    156,986.62x = 235,488.08 × 51,813.80
  4. Step 4: Simplify right side
    156,986.62x = 12,201,532,279.50
  5. Step 5: Solve for x
    x = 12,201,532,279.50/156,986.62
  6. Step 6: Final answer
    x = 77,723.39

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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.