Home / 314,787.60-434,394.23-171,544.57

Finding the Fourth Proportional to 314,787.60, 434,394.23 and 171,544.57

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Solution

The fourth proportional to 314,787.60, 434,394.23 and 171,544.57 is: 236,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,787.60 : 434,394.23 = 171,544.57 : x
  2. Step 2: Convert to fraction form
    314,787.60/434,394.23 = 171,544.57/x
  3. Step 3: Cross multiply
    314,787.60x = 434,394.23 × 171,544.57
  4. Step 4: Simplify right side
    314,787.60x = 74,517,969,452.12
  5. Step 5: Solve for x
    x = 74,517,969,452.12/314,787.60
  6. Step 6: Final answer
    x = 236,724.60

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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.