Home / 161,302.32-242,002.69-82,471.91

Finding the Fourth Proportional to 161,302.32, 242,002.69 and 82,471.91

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Solution

The fourth proportional to 161,302.32, 242,002.69 and 82,471.91 is: 123,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,302.32 : 242,002.69 = 82,471.91 : x
  2. Step 2: Convert to fraction form
    161,302.32/242,002.69 = 82,471.91/x
  3. Step 3: Cross multiply
    161,302.32x = 242,002.69 × 82,471.91
  4. Step 4: Simplify right side
    161,302.32x = 19,958,422,653.24
  5. Step 5: Solve for x
    x = 19,958,422,653.24/161,302.32
  6. Step 6: Final answer
    x = 123,733.02

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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.