Home / 161,451.32-242,186.08-49,135.20

Finding the Fourth Proportional to 161,451.32, 242,186.08 and 49,135.20

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Solution

The fourth proportional to 161,451.32, 242,186.08 and 49,135.20 is: 73,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,451.32 : 242,186.08 = 49,135.20 : x
  2. Step 2: Convert to fraction form
    161,451.32/242,186.08 = 49,135.20/x
  3. Step 3: Cross multiply
    161,451.32x = 242,186.08 × 49,135.20
  4. Step 4: Simplify right side
    161,451.32x = 11,899,861,478.02
  5. Step 5: Solve for x
    x = 11,899,861,478.02/161,451.32
  6. Step 6: Final answer
    x = 73,705.57

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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.