Home / 130,462.49-180,005.82-82,698.41

Finding the Fourth Proportional to 130,462.49, 180,005.82 and 82,698.41

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Solution

The fourth proportional to 130,462.49, 180,005.82 and 82,698.41 is: 114,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,462.49 : 180,005.82 = 82,698.41 : x
  2. Step 2: Convert to fraction form
    130,462.49/180,005.82 = 82,698.41/x
  3. Step 3: Cross multiply
    130,462.49x = 180,005.82 × 82,698.41
  4. Step 4: Simplify right side
    130,462.49x = 14,886,195,104.75
  5. Step 5: Solve for x
    x = 14,886,195,104.75/130,462.49
  6. Step 6: Final answer
    x = 114,103.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.