Home / 203,948.70-305,871.21-63,721.50

Finding the Fourth Proportional to 203,948.70, 305,871.21 and 63,721.50

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Solution

The fourth proportional to 203,948.70, 305,871.21 and 63,721.50 is: 95,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,948.70 : 305,871.21 = 63,721.50 : x
  2. Step 2: Convert to fraction form
    203,948.70/305,871.21 = 63,721.50/x
  3. Step 3: Cross multiply
    203,948.70x = 305,871.21 × 63,721.50
  4. Step 4: Simplify right side
    203,948.70x = 19,490,572,308.02
  5. Step 5: Solve for x
    x = 19,490,572,308.02/203,948.70
  6. Step 6: Final answer
    x = 95,566.05

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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.