Home / 136,015.35-187,689.26-75,582.17

Finding the Fourth Proportional to 136,015.35, 187,689.26 and 75,582.17

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Solution

The fourth proportional to 136,015.35, 187,689.26 and 75,582.17 is: 104,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.35 : 187,689.26 = 75,582.17 : x
  2. Step 2: Convert to fraction form
    136,015.35/187,689.26 = 75,582.17/x
  3. Step 3: Cross multiply
    136,015.35x = 187,689.26 × 75,582.17
  4. Step 4: Simplify right side
    136,015.35x = 14,185,960,240.14
  5. Step 5: Solve for x
    x = 14,185,960,240.14/136,015.35
  6. Step 6: Final answer
    x = 104,296.76

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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.