Home / 136,110.51-204,207.30-69,597.36

Finding the Fourth Proportional to 136,110.51, 204,207.30 and 69,597.36

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Solution

The fourth proportional to 136,110.51, 204,207.30 and 69,597.36 is: 104,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,110.51 : 204,207.30 = 69,597.36 : x
  2. Step 2: Convert to fraction form
    136,110.51/204,207.30 = 69,597.36/x
  3. Step 3: Cross multiply
    136,110.51x = 204,207.30 × 69,597.36
  4. Step 4: Simplify right side
    136,110.51x = 14,212,288,972.73
  5. Step 5: Solve for x
    x = 14,212,288,972.73/136,110.51
  6. Step 6: Final answer
    x = 104,417.28

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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.