Home / 131,133.40-196,699.80-56,204.96

Finding the Fourth Proportional to 131,133.40, 196,699.80 and 56,204.96

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Solution

The fourth proportional to 131,133.40, 196,699.80 and 56,204.96 is: 84,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,133.40 : 196,699.80 = 56,204.96 : x
  2. Step 2: Convert to fraction form
    131,133.40/196,699.80 = 56,204.96/x
  3. Step 3: Cross multiply
    131,133.40x = 196,699.80 × 56,204.96
  4. Step 4: Simplify right side
    131,133.40x = 11,055,504,391.01
  5. Step 5: Solve for x
    x = 11,055,504,391.01/131,133.40
  6. Step 6: Final answer
    x = 84,307.31

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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.