Home / 136,217.94-204,318.60-65,191.06

Finding the Fourth Proportional to 136,217.94, 204,318.60 and 65,191.06

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Solution

The fourth proportional to 136,217.94, 204,318.60 and 65,191.06 is: 97,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,217.94 : 204,318.60 = 65,191.06 : x
  2. Step 2: Convert to fraction form
    136,217.94/204,318.60 = 65,191.06/x
  3. Step 3: Cross multiply
    136,217.94x = 204,318.60 × 65,191.06
  4. Step 4: Simplify right side
    136,217.94x = 13,319,746,111.72
  5. Step 5: Solve for x
    x = 13,319,746,111.72/136,217.94
  6. Step 6: Final answer
    x = 97,782.61

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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.