Home / 131,605.29-197,509.46-97,947.36

Finding the Fourth Proportional to 131,605.29, 197,509.46 and 97,947.36

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Solution

The fourth proportional to 131,605.29, 197,509.46 and 97,947.36 is: 146,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605.29 : 197,509.46 = 97,947.36 : x
  2. Step 2: Convert to fraction form
    131,605.29/197,509.46 = 97,947.36/x
  3. Step 3: Cross multiply
    131,605.29x = 197,509.46 × 97,947.36
  4. Step 4: Simplify right side
    131,605.29x = 19,345,529,692.29
  5. Step 5: Solve for x
    x = 19,345,529,692.29/131,605.29
  6. Step 6: Final answer
    x = 146,996.60

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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.