Home / 131,242.24-196,864.16-42,495.36

Finding the Fourth Proportional to 131,242.24, 196,864.16 and 42,495.36

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Solution

The fourth proportional to 131,242.24, 196,864.16 and 42,495.36 is: 63,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242.24 : 196,864.16 = 42,495.36 : x
  2. Step 2: Convert to fraction form
    131,242.24/196,864.16 = 42,495.36/x
  3. Step 3: Cross multiply
    131,242.24x = 196,864.16 × 42,495.36
  4. Step 4: Simplify right side
    131,242.24x = 8,365,813,350.30
  5. Step 5: Solve for x
    x = 8,365,813,350.30/131,242.24
  6. Step 6: Final answer
    x = 63,743.30

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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.