Home / 299,895.03-413,866.26-163,938.20

Finding the Fourth Proportional to 299,895.03, 413,866.26 and 163,938.20

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Solution

The fourth proportional to 299,895.03, 413,866.26 and 163,938.20 is: 226,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,895.03 : 413,866.26 = 163,938.20 : x
  2. Step 2: Convert to fraction form
    299,895.03/413,866.26 = 163,938.20/x
  3. Step 3: Cross multiply
    299,895.03x = 413,866.26 × 163,938.20
  4. Step 4: Simplify right side
    299,895.03x = 67,848,487,635.80
  5. Step 5: Solve for x
    x = 67,848,487,635.80/299,895.03
  6. Step 6: Final answer
    x = 226,240.79

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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.