Home / 212,732.48-319,157.85-92,799.92

Finding the Fourth Proportional to 212,732.48, 319,157.85 and 92,799.92

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Solution

The fourth proportional to 212,732.48, 319,157.85 and 92,799.92 is: 139,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,732.48 : 319,157.85 = 92,799.92 : x
  2. Step 2: Convert to fraction form
    212,732.48/319,157.85 = 92,799.92/x
  3. Step 3: Cross multiply
    212,732.48x = 319,157.85 × 92,799.92
  4. Step 4: Simplify right side
    212,732.48x = 29,617,822,947.37
  5. Step 5: Solve for x
    x = 29,617,822,947.37/212,732.48
  6. Step 6: Final answer
    x = 139,225.67

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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.