Home / 133,054.20-199,605.60-54,176.40

Finding the Fourth Proportional to 133,054.20, 199,605.60 and 54,176.40

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Solution

The fourth proportional to 133,054.20, 199,605.60 and 54,176.40 is: 81,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054.20 : 199,605.60 = 54,176.40 : x
  2. Step 2: Convert to fraction form
    133,054.20/199,605.60 = 54,176.40/x
  3. Step 3: Cross multiply
    133,054.20x = 199,605.60 × 54,176.40
  4. Step 4: Simplify right side
    133,054.20x = 10,813,912,827.84
  5. Step 5: Solve for x
    x = 10,813,912,827.84/133,054.20
  6. Step 6: Final answer
    x = 81,274.49

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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.