Home / 408,966.08-613,241.64-187,160

Finding the Fourth Proportional to 408,966.08, 613,241.64 and 187,160

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Solution

The fourth proportional to 408,966.08, 613,241.64 and 187,160 is: 280,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,966.08 : 613,241.64 = 187,160 : x
  2. Step 2: Convert to fraction form
    408,966.08/613,241.64 = 187,160/x
  3. Step 3: Cross multiply
    408,966.08x = 613,241.64 × 187,160
  4. Step 4: Simplify right side
    408,966.08x = 114,774,305,342.40
  5. Step 5: Solve for x
    x = 114,774,305,342.40/408,966.08
  6. Step 6: Final answer
    x = 280,645.05

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1.5x scale

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.