Home / 276,593.40-414,890.10-89,623.80

Finding the Fourth Proportional to 276,593.40, 414,890.10 and 89,623.80

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Solution

The fourth proportional to 276,593.40, 414,890.10 and 89,623.80 is: 134,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,593.40 : 414,890.10 = 89,623.80 : x
  2. Step 2: Convert to fraction form
    276,593.40/414,890.10 = 89,623.80/x
  3. Step 3: Cross multiply
    276,593.40x = 414,890.10 × 89,623.80
  4. Step 4: Simplify right side
    276,593.40x = 37,184,027,344.38
  5. Step 5: Solve for x
    x = 37,184,027,344.38/276,593.40
  6. Step 6: Final answer
    x = 134,435.70

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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.