Home / 135,237.60-202,813.20-56,332.80

Finding the Fourth Proportional to 135,237.60, 202,813.20 and 56,332.80

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Solution

The fourth proportional to 135,237.60, 202,813.20 and 56,332.80 is: 84,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,237.60 : 202,813.20 = 56,332.80 : x
  2. Step 2: Convert to fraction form
    135,237.60/202,813.20 = 56,332.80/x
  3. Step 3: Cross multiply
    135,237.60x = 202,813.20 × 56,332.80
  4. Step 4: Simplify right side
    135,237.60x = 11,425,035,432.96
  5. Step 5: Solve for x
    x = 11,425,035,432.96/135,237.60
  6. Step 6: Final answer
    x = 84,481.21

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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.