Home / 315,119.58-434,787.39-192,580.62

Finding the Fourth Proportional to 315,119.58, 434,787.39 and 192,580.62

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Solution

The fourth proportional to 315,119.58, 434,787.39 and 192,580.62 is: 265,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,119.58 : 434,787.39 = 192,580.62 : x
  2. Step 2: Convert to fraction form
    315,119.58/434,787.39 = 192,580.62/x
  3. Step 3: Cross multiply
    315,119.58x = 434,787.39 × 192,580.62
  4. Step 4: Simplify right side
    315,119.58x = 83,731,625,134.38
  5. Step 5: Solve for x
    x = 83,731,625,134.38/315,119.58
  6. Step 6: Final answer
    x = 265,713.81

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1.5x scale

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.