Home / 136,036.98-187,716.75-75,597.86

Finding the Fourth Proportional to 136,036.98, 187,716.75 and 75,597.86

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Solution

The fourth proportional to 136,036.98, 187,716.75 and 75,597.86 is: 104,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,036.98 : 187,716.75 = 75,597.86 : x
  2. Step 2: Convert to fraction form
    136,036.98/187,716.75 = 75,597.86/x
  3. Step 3: Cross multiply
    136,036.98x = 187,716.75 × 75,597.86
  4. Step 4: Simplify right side
    136,036.98x = 14,190,983,647.57
  5. Step 5: Solve for x
    x = 14,190,983,647.57/136,036.98
  6. Step 6: Final answer
    x = 104,317.10

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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.