Home / 161,939.06-242,908.60-56,758.02

Finding the Fourth Proportional to 161,939.06, 242,908.60 and 56,758.02

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Solution

The fourth proportional to 161,939.06, 242,908.60 and 56,758.02 is: 85,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,939.06 : 242,908.60 = 56,758.02 : x
  2. Step 2: Convert to fraction form
    161,939.06/242,908.60 = 56,758.02/x
  3. Step 3: Cross multiply
    161,939.06x = 242,908.60 × 56,758.02
  4. Step 4: Simplify right side
    161,939.06x = 13,787,011,176.97
  5. Step 5: Solve for x
    x = 13,787,011,176.97/161,939.06
  6. Step 6: Final answer
    x = 85,137.03

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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.