Home / 144,631.41-216,573.30-99,791.03

Finding the Fourth Proportional to 144,631.41, 216,573.30 and 99,791.03

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Solution

The fourth proportional to 144,631.41, 216,573.30 and 99,791.03 is: 149,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,631.41 : 216,573.30 = 99,791.03 : x
  2. Step 2: Convert to fraction form
    144,631.41/216,573.30 = 99,791.03/x
  3. Step 3: Cross multiply
    144,631.41x = 216,573.30 × 99,791.03
  4. Step 4: Simplify right side
    144,631.41x = 21,612,072,677.50
  5. Step 5: Solve for x
    x = 21,612,072,677.50/144,631.41
  6. Step 6: Final answer
    x = 149,428.62

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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.