Home / 260,531.06-359,418.71-153,052.61

Finding the Fourth Proportional to 260,531.06, 359,418.71 and 153,052.61

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Solution

The fourth proportional to 260,531.06, 359,418.71 and 153,052.61 is: 211,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,531.06 : 359,418.71 = 153,052.61 : x
  2. Step 2: Convert to fraction form
    260,531.06/359,418.71 = 153,052.61/x
  3. Step 3: Cross multiply
    260,531.06x = 359,418.71 × 153,052.61
  4. Step 4: Simplify right side
    260,531.06x = 55,009,969,085.98
  5. Step 5: Solve for x
    x = 55,009,969,085.98/260,531.06
  6. Step 6: Final answer
    x = 211,145.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.