Home / 147,857.85-203,972.70-96,848.50

Finding the Fourth Proportional to 147,857.85, 203,972.70 and 96,848.50

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Solution

The fourth proportional to 147,857.85, 203,972.70 and 96,848.50 is: 133,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,857.85 : 203,972.70 = 96,848.50 : x
  2. Step 2: Convert to fraction form
    147,857.85/203,972.70 = 96,848.50/x
  3. Step 3: Cross multiply
    147,857.85x = 203,972.70 × 96,848.50
  4. Step 4: Simplify right side
    147,857.85x = 19,754,450,035.95
  5. Step 5: Solve for x
    x = 19,754,450,035.95/147,857.85
  6. Step 6: Final answer
    x = 133,604.34

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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.