Home / 147,463.44-203,421.96-99,732.84

Finding the Fourth Proportional to 147,463.44, 203,421.96 and 99,732.84

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Solution

The fourth proportional to 147,463.44, 203,421.96 and 99,732.84 is: 137,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,463.44 : 203,421.96 = 99,732.84 : x
  2. Step 2: Convert to fraction form
    147,463.44/203,421.96 = 99,732.84/x
  3. Step 3: Cross multiply
    147,463.44x = 203,421.96 × 99,732.84
  4. Step 4: Simplify right side
    147,463.44x = 20,287,849,789.17
  5. Step 5: Solve for x
    x = 20,287,849,789.17/147,463.44
  6. Step 6: Final answer
    x = 137,578.85

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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.