Home / 354,001.28-488,504.92-192,855.56

Finding the Fourth Proportional to 354,001.28, 488,504.92 and 192,855.56

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Solution

The fourth proportional to 354,001.28, 488,504.92 and 192,855.56 is: 266,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,001.28 : 488,504.92 = 192,855.56 : x
  2. Step 2: Convert to fraction form
    354,001.28/488,504.92 = 192,855.56/x
  3. Step 3: Cross multiply
    354,001.28x = 488,504.92 × 192,855.56
  4. Step 4: Simplify right side
    354,001.28x = 94,210,889,909.36
  5. Step 5: Solve for x
    x = 94,210,889,909.36/354,001.28
  6. Step 6: Final answer
    x = 266,131.50

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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.