Home / 133,116.84-199,733.80-69,922.29

Finding the Fourth Proportional to 133,116.84, 199,733.80 and 69,922.29

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Solution

The fourth proportional to 133,116.84, 199,733.80 and 69,922.29 is: 104,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,116.84 : 199,733.80 = 69,922.29 : x
  2. Step 2: Convert to fraction form
    133,116.84/199,733.80 = 69,922.29/x
  3. Step 3: Cross multiply
    133,116.84x = 199,733.80 × 69,922.29
  4. Step 4: Simplify right side
    133,116.84x = 13,965,844,268.20
  5. Step 5: Solve for x
    x = 13,965,844,268.20/133,116.84
  6. Step 6: Final answer
    x = 104,914.18

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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.