Home / 260,744.48-391,116.72-136,056.32

Finding the Fourth Proportional to 260,744.48, 391,116.72 and 136,056.32

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Solution

The fourth proportional to 260,744.48, 391,116.72 and 136,056.32 is: 204,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,744.48 : 391,116.72 = 136,056.32 : x
  2. Step 2: Convert to fraction form
    260,744.48/391,116.72 = 136,056.32/x
  3. Step 3: Cross multiply
    260,744.48x = 391,116.72 × 136,056.32
  4. Step 4: Simplify right side
    260,744.48x = 53,213,901,613.67
  5. Step 5: Solve for x
    x = 53,213,901,613.67/260,744.48
  6. Step 6: Final answer
    x = 204,084.48

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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.