Home / 133,920.54-200,875.05-40,423.50

Finding the Fourth Proportional to 133,920.54, 200,875.05 and 40,423.50

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Solution

The fourth proportional to 133,920.54, 200,875.05 and 40,423.50 is: 60,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,920.54 : 200,875.05 = 40,423.50 : x
  2. Step 2: Convert to fraction form
    133,920.54/200,875.05 = 40,423.50/x
  3. Step 3: Cross multiply
    133,920.54x = 200,875.05 × 40,423.50
  4. Step 4: Simplify right side
    133,920.54x = 8,120,072,583.68
  5. Step 5: Solve for x
    x = 8,120,072,583.68/133,920.54
  6. Step 6: Final answer
    x = 60,633.51

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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.