Home / 122,116.10-183,064.80-80,016.35

Finding the Fourth Proportional to 122,116.10, 183,064.80 and 80,016.35

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Solution

The fourth proportional to 122,116.10, 183,064.80 and 80,016.35 is: 119,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,116.10 : 183,064.80 = 80,016.35 : x
  2. Step 2: Convert to fraction form
    122,116.10/183,064.80 = 80,016.35/x
  3. Step 3: Cross multiply
    122,116.10x = 183,064.80 × 80,016.35
  4. Step 4: Simplify right side
    122,116.10x = 14,648,177,109.48
  5. Step 5: Solve for x
    x = 14,648,177,109.48/122,116.10
  6. Step 6: Final answer
    x = 119,952.87

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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.