Home / 276,718.08-415,135.44-89,715.04

Finding the Fourth Proportional to 276,718.08, 415,135.44 and 89,715.04

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Solution

The fourth proportional to 276,718.08, 415,135.44 and 89,715.04 is: 134,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,718.08 : 415,135.44 = 89,715.04 : x
  2. Step 2: Convert to fraction form
    276,718.08/415,135.44 = 89,715.04/x
  3. Step 3: Cross multiply
    276,718.08x = 415,135.44 × 89,715.04
  4. Step 4: Simplify right side
    276,718.08x = 37,243,892,605.02
  5. Step 5: Solve for x
    x = 37,243,892,605.02/276,718.08
  6. Step 6: Final answer
    x = 134,591.47

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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.