Home / 296,051.28-408,553.07-163,448.21

Finding the Fourth Proportional to 296,051.28, 408,553.07 and 163,448.21

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Solution

The fourth proportional to 296,051.28, 408,553.07 and 163,448.21 is: 225,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,051.28 : 408,553.07 = 163,448.21 : x
  2. Step 2: Convert to fraction form
    296,051.28/408,553.07 = 163,448.21/x
  3. Step 3: Cross multiply
    296,051.28x = 408,553.07 × 163,448.21
  4. Step 4: Simplify right side
    296,051.28x = 66,777,265,121.50
  5. Step 5: Solve for x
    x = 66,777,265,121.50/296,051.28
  6. Step 6: Final answer
    x = 225,559.79

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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.