Home / 136,318.80-204,528.96-61,416.48

Finding the Fourth Proportional to 136,318.80, 204,528.96 and 61,416.48

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Solution

The fourth proportional to 136,318.80, 204,528.96 and 61,416.48 is: 92,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,318.80 : 204,528.96 = 61,416.48 : x
  2. Step 2: Convert to fraction form
    136,318.80/204,528.96 = 61,416.48/x
  3. Step 3: Cross multiply
    136,318.80x = 204,528.96 × 61,416.48
  4. Step 4: Simplify right side
    136,318.80x = 12,561,448,781.26
  5. Step 5: Solve for x
    x = 12,561,448,781.26/136,318.80
  6. Step 6: Final answer
    x = 92,147.59

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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.