Home / 212,260.96-292,893.44-143,499.95

Finding the Fourth Proportional to 212,260.96, 292,893.44 and 143,499.95

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Solution

The fourth proportional to 212,260.96, 292,893.44 and 143,499.95 is: 198,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,260.96 : 292,893.44 = 143,499.95 : x
  2. Step 2: Convert to fraction form
    212,260.96/292,893.44 = 143,499.95/x
  3. Step 3: Cross multiply
    212,260.96x = 292,893.44 × 143,499.95
  4. Step 4: Simplify right side
    212,260.96x = 42,030,193,995.33
  5. Step 5: Solve for x
    x = 42,030,193,995.33/212,260.96
  6. Step 6: Final answer
    x = 198,011.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.