Home / 136,249.17-204,078.37-65,981.13

Finding the Fourth Proportional to 136,249.17, 204,078.37 and 65,981.13

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Solution

The fourth proportional to 136,249.17, 204,078.37 and 65,981.13 is: 98,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.17 : 204,078.37 = 65,981.13 : x
  2. Step 2: Convert to fraction form
    136,249.17/204,078.37 = 65,981.13/x
  3. Step 3: Cross multiply
    136,249.17x = 204,078.37 × 65,981.13
  4. Step 4: Simplify right side
    136,249.17x = 13,465,321,461.16
  5. Step 5: Solve for x
    x = 13,465,321,461.16/136,249.17
  6. Step 6: Final answer
    x = 98,828.65

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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.