Home / 136,433.01-188,187.35-85,357.11

Finding the Fourth Proportional to 136,433.01, 188,187.35 and 85,357.11

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Solution

The fourth proportional to 136,433.01, 188,187.35 and 85,357.11 is: 117,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,433.01 : 188,187.35 = 85,357.11 : x
  2. Step 2: Convert to fraction form
    136,433.01/188,187.35 = 85,357.11/x
  3. Step 3: Cross multiply
    136,433.01x = 188,187.35 × 85,357.11
  4. Step 4: Simplify right side
    136,433.01x = 16,063,127,907.77
  5. Step 5: Solve for x
    x = 16,063,127,907.77/136,433.01
  6. Step 6: Final answer
    x = 117,736.37

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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.