Home / 131,012.93-196,496.58-42,266.43

Finding the Fourth Proportional to 131,012.93, 196,496.58 and 42,266.43

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Solution

The fourth proportional to 131,012.93, 196,496.58 and 42,266.43 is: 63,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,012.93 : 196,496.58 = 42,266.43 : x
  2. Step 2: Convert to fraction form
    131,012.93/196,496.58 = 42,266.43/x
  3. Step 3: Cross multiply
    131,012.93x = 196,496.58 × 42,266.43
  4. Step 4: Simplify right side
    131,012.93x = 8,305,209,102.31
  5. Step 5: Solve for x
    x = 8,305,209,102.31/131,012.93
  6. Step 6: Final answer
    x = 63,392.28

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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.