Home / 260,569.73-359,094.78-208,828.05

Finding the Fourth Proportional to 260,569.73, 359,094.78 and 208,828.05

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Solution

The fourth proportional to 260,569.73, 359,094.78 and 208,828.05 is: 287,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,569.73 : 359,094.78 = 208,828.05 : x
  2. Step 2: Convert to fraction form
    260,569.73/359,094.78 = 208,828.05/x
  3. Step 3: Cross multiply
    260,569.73x = 359,094.78 × 208,828.05
  4. Step 4: Simplify right side
    260,569.73x = 74,989,062,672.58
  5. Step 5: Solve for x
    x = 74,989,062,672.58/260,569.73
  6. Step 6: Final answer
    x = 287,788.85

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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.