Home / 131,015.36-196,358.56-56,047.32

Finding the Fourth Proportional to 131,015.36, 196,358.56 and 56,047.32

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Solution

The fourth proportional to 131,015.36, 196,358.56 and 56,047.32 is: 84,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,015.36 : 196,358.56 = 56,047.32 : x
  2. Step 2: Convert to fraction form
    131,015.36/196,358.56 = 56,047.32/x
  3. Step 3: Cross multiply
    131,015.36x = 196,358.56 × 56,047.32
  4. Step 4: Simplify right side
    131,015.36x = 11,005,371,047.06
  5. Step 5: Solve for x
    x = 11,005,371,047.06/131,015.36
  6. Step 6: Final answer
    x = 84,000.62

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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.