Home / 161,785.98-242,679.54-49,465.76

Finding the Fourth Proportional to 161,785.98, 242,679.54 and 49,465.76

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Solution

The fourth proportional to 161,785.98, 242,679.54 and 49,465.76 is: 74,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,785.98 : 242,679.54 = 49,465.76 : x
  2. Step 2: Convert to fraction form
    161,785.98/242,679.54 = 49,465.76/x
  3. Step 3: Cross multiply
    161,785.98x = 242,679.54 × 49,465.76
  4. Step 4: Simplify right side
    161,785.98x = 12,004,327,882.55
  5. Step 5: Solve for x
    x = 12,004,327,882.55/161,785.98
  6. Step 6: Final answer
    x = 74,198.81

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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.