Home / 136,869.14-205,150.41-89,575.26

Finding the Fourth Proportional to 136,869.14, 205,150.41 and 89,575.26

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Solution

The fourth proportional to 136,869.14, 205,150.41 and 89,575.26 is: 134,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,869.14 : 205,150.41 = 89,575.26 : x
  2. Step 2: Convert to fraction form
    136,869.14/205,150.41 = 89,575.26/x
  3. Step 3: Cross multiply
    136,869.14x = 205,150.41 × 89,575.26
  4. Step 4: Simplify right side
    136,869.14x = 18,376,401,314.86
  5. Step 5: Solve for x
    x = 18,376,401,314.86/136,869.14
  6. Step 6: Final answer
    x = 134,262.57

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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.